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Message-ID: <20131028014125.GP849@verge.net.au>
Date: Mon, 28 Oct 2013 10:41:27 +0900
From: Simon Horman <horms@...ge.net.au>
To: dev@...nvswitch.org, netdev@...r.kernel.org,
Jesse Gross <jesse@...ira.com>, Ben Pfaff <blp@...ira.com>
Cc: Isaku Yamahata <yamahata@...inux.co.jp>, Ravi K <rkerur@...il.com>
Subject: Re: [ovs-dev] [PATCH v2.45 1/4] odp: Allow VLAN actions after MPLS
actions
On Fri, Oct 25, 2013 at 03:34:41PM +0100, Simon Horman wrote:
> From: Joe Stringer <joe@...d.net.nz>
>
> OpenFlow 1.1 and 1.2, and 1.3 differ in their handling of MPLS actions in the
> presence of VLAN tags. To allow correct behaviour to be committed in
> each situation, this patch adds a second round of VLAN tag action
> handling to commit_odp_actions(), which occurs after MPLS actions. This
> is implemented with a new field in 'struct xlate_in' called 'vlan_tci'.
>
> When an push_mpls action is composed, the flow's current VLAN state is
> stored into xin->vlan_tci, and flow->vlan_tci is set to 0 (pop_vlan). If
> a VLAN tag is present, it is stripped; if not, then there is no change.
> Any later modifications to the VLAN state is written to xin->vlan_tci.
> When committing the actions, flow->vlan_tci is used before MPLS actions,
> and xin->vlan_tci is used afterwards. This retains the current datapath
> behaviour, but allows VLAN actions to be applied in a more flexible
> manner.
>
> Both before and after this patch MPLS LSEs are pushed onto a packet after
> any VLAN tags that may be present. This is the behaviour described in
> OpenFlow 1.1 and 1.2. OpenFlow 1.3 specifies that MPLS LSEs should be
> pushed onto a packet before any VLAN tags that are present. Support
> for this will be added by a subsequent patch that makes use of
> the infrastructure added by this patch.
Whole changelog message still reflects the intent of the code the
implementation details it describes are no longer correct. I will
fix this and re-post.
>
> Signed-off-by: Joe Stringer <joe@...d.net.nz>
> Signed-off-by: Simon Horman <horms@...ge.net.au>
>
> ---
>
> v2.45 [Simon Horman]
> * As pointed out by Ben Pfaff and Joe Stringer
> + Update VLAN handling in the presence of MPLS push
>
> Previously the test for committing ODP VLAN actions after MPLS actions
> was that the VLAN TCI differed before and after the MPLS push action.
> This results in a false negative in some cases including if a VLAN tag
> is pushed after the MPLS push action in such a way that it duplicates
> the VLAN tag present before the MPLS push action.
>
> This is resolved by ensuring the VLAN_CFI bit of the value used to
> track the desired VLAN TCI after an MPLS push action is zero unless
> VLAN actions should be committed after MPLS actions.
>
> + Update tests to use ovs-ofctl monitor "-m" to allow full inspection of
> MPLS LSE and VLAN tags present in packets.
>
> v2.44 [Simon Horman]
> * Rebase for the following changes:
> f47ea02 ("Set datapath mask bits when setting a flow field.")
> 7fdb60a ("Add support for write-actions")
> 7358063 ("odp-util: Elaborate the comment for odp_flow_format() function.")
> * Correct final_vlan_tci and next_vlan_tci initialisation in xlate_actions__()
>
> v2.43 [Simon Horman]
> * As suggested by Ben Pfaff
> Move vlan state into struct xlate_ctx
>
> 1. Add final_vlan_tci member to struct xlate_ctx instead of vlan_tci member
> struct xlate_xin. This seems to be a better palace for it as it does
> not need to be accessible from the caller.
>
> 2. Move local vlan_tci variable of do_xlate_actions() to be the
> next_vlan_tci member of strict xlate_ctx. This allows for it to work
> across resubmit actions and goto table instructions.
>
> v2.42
> * No change
>
> v2.41 [Joe Stringer via Simon Horman]
> * Rework comments to make things a little clearer
>
> v2.40 [Simon Horman]
> * Rebase for removal of mpls_depth from struct flow
>
> v2.38 - v2.39
> * No change
>
> v2.37
> * Rebase
>
> v2.36
> * No change
>
> v2.5 [Joe Stringer]
> * First post
> ---
> lib/odp-util.c | 12 +-
> lib/odp-util.h | 3 +-
> ofproto/ofproto-dpif-xlate.c | 136 ++++++++++++---
> tests/ofproto-dpif.at | 389 +++++++++++++++++++++++++++++++++++++++++++
> 4 files changed, 514 insertions(+), 26 deletions(-)
>
> diff --git a/lib/odp-util.c b/lib/odp-util.c
> index 6875e01..21b33ac 100644
> --- a/lib/odp-util.c
> +++ b/lib/odp-util.c
> @@ -3639,11 +3639,15 @@ commit_set_pkt_mark_action(const struct flow *flow, struct flow *base,
> * used as part of the action.
> *
> * Returns a reason to force processing the flow's packets into the userspace
> - * slow path, if there is one, otherwise 0. */
> + * slow path, if there is one, otherwise 0.
> + *
> + * VLAN actions may be committed twice; If vlan_tci in 'flow' differs from the
> + * one in 'base', then it is committed before MPLS actions. If the VLAN_CFI
> + * bit of 'post_mpls_vlan_tci' is set then it is committed afterwards. */
> enum slow_path_reason
> commit_odp_actions(const struct flow *flow, struct flow *base,
> struct ofpbuf *odp_actions, struct flow_wildcards *wc,
> - int *mpls_depth_delta)
> + int *mpls_depth_delta, ovs_be16 post_mpls_vlan_tci)
> {
> enum slow_path_reason slow;
>
> @@ -3656,6 +3660,10 @@ commit_odp_actions(const struct flow *flow, struct flow *base,
> * that it is no longer IP and thus nw and port actions are no longer valid.
> */
> commit_mpls_action(flow, base, odp_actions, wc, mpls_depth_delta);
> + if (post_mpls_vlan_tci & htons(VLAN_CFI)) {
> + base->vlan_tci = htons(0);
> + commit_vlan_action(post_mpls_vlan_tci, base, odp_actions, wc);
> + }
> commit_set_priority_action(flow, base, odp_actions, wc);
> commit_set_pkt_mark_action(flow, base, odp_actions, wc);
>
> diff --git a/lib/odp-util.h b/lib/odp-util.h
> index 821b2c4..636a3ec 100644
> --- a/lib/odp-util.h
> +++ b/lib/odp-util.h
> @@ -175,7 +175,8 @@ enum slow_path_reason commit_odp_actions(const struct flow *,
> struct flow *base,
> struct ofpbuf *odp_actions,
> struct flow_wildcards *wc,
> - int *mpls_depth_delta);
> + int *mpls_depth_delta,
> + ovs_be16 post_mpls_vlan_tci);
> .
> /* ofproto-dpif interface.
> *
> diff --git a/ofproto/ofproto-dpif-xlate.c b/ofproto/ofproto-dpif-xlate.c
> index 7be691c..d79356f 100644
> --- a/ofproto/ofproto-dpif-xlate.c
> +++ b/ofproto/ofproto-dpif-xlate.c
> @@ -180,6 +180,37 @@ struct xlate_ctx {
> uint16_t user_cookie_offset;/* Used for user_action_cookie fixup. */
> bool exit; /* No further actions should be processed. */
>
> + /* The post MPLS vlan_tci.
> + *
> + * The value of the vlan TCI prior to the translation of an MPLS push
> + * actions should be stored in 'xin->flow->vlan_tci'.
> + *
> + * If an VLAN or set field action is subsequently translated then
> + * 'post_mpls_vlan_tci' is updated as according to the action.
> + *
> + * If the VLAN_CFI bit of 'post_mpls_vlan_tci' is set then VLAN ODP actions
> + * will be committed after any MPLS actions regardless of whether VLAN
> + * actions were also committed before the MPLS actions or not.
> + *
> + * This mechanism allows a VLAN tag to be popped before pushing
> + * an MPLS LSE and then the same VLAN tag pushed after pushing
> + * the MPLS LSE. In this way it is possible to push an MPLS LSE
> + * after an existing VLAN tag. Moreover this mechanism allows
> + * the order in which VLAN tags and MPLS LSEs are pushed. */
> + ovs_be16 post_mpls_vlan_tci;
> +
> + /* The next vlan_tci state.
> + *
> + * This field pints to the variable update each time an
> + * action updates the VLAN tci.
> + *
> + * This variable initially points to 'xin->flow->vlan_tci' so that ODP
> + * VLAN actions are committed before any MPLS actions. When an MPLS
> + * action is composed 'next_vlan_tci' is updated to point to
> + * 'post_mpls_vlan_tci'. This causes subsequent VLAN actions to be
> + * committed after MPLS actions. */
> + ovs_be16 *next_vlan_tci;
> +
> /* OpenFlow 1.1+ action set.
> *
> * 'action_set' accumulates "struct ofpact"s added by OFPACT_WRITE_ACTIONS.
> @@ -996,11 +1027,38 @@ output_vlan_to_vid(const struct xbundle *out_xbundle, uint16_t vlan)
> }
> }
>
> +static bool mpls_actions_xlated(struct xlate_ctx *ctx)
> +{
> + return ctx->next_vlan_tci == &ctx->post_mpls_vlan_tci;
> +}
> +
> +static ovs_be16
> +vlan_tci_save(struct xlate_ctx *ctx)
> +{
> + ovs_be16 orig_tci = ctx->xin->flow.vlan_tci;
> + /* If MPLS actions were executed after vlan actions then
> + * copy the final vlan_tci out and restore the intermediate VLAN state. */
> + if (mpls_actions_xlated(ctx)) {
> + ctx->xin->flow.vlan_tci = *ctx->next_vlan_tci;
> + }
> + return orig_tci;
> +}
> +
> +static void
> +vlan_tci_restore(struct xlate_ctx *ctx, ovs_be16 orig_tci)
> +{
> + /* If MPLS actions were executed after vlan actions then
> + * copy the final vlan_tci out and restore the intermediate VLAN state. */
> + if (mpls_actions_xlated(ctx)) {
> + ctx->post_mpls_vlan_tci = ctx->xin->flow.vlan_tci;
> + ctx->xin->flow.vlan_tci = orig_tci;
> + }
> +}
> +
> static void
> output_normal(struct xlate_ctx *ctx, const struct xbundle *out_xbundle,
> uint16_t vlan)
> {
> - ovs_be16 *flow_tci = &ctx->xin->flow.vlan_tci;
> uint16_t vid;
> ovs_be16 tci, old_tci;
> struct xport *xport;
> @@ -1025,18 +1083,18 @@ output_normal(struct xlate_ctx *ctx, const struct xbundle *out_xbundle,
> }
> }
>
> - old_tci = *flow_tci;
> + old_tci = *ctx->next_vlan_tci;
> tci = htons(vid);
> if (tci || out_xbundle->use_priority_tags) {
> - tci |= *flow_tci & htons(VLAN_PCP_MASK);
> + tci |= *ctx->next_vlan_tci & htons(VLAN_PCP_MASK);
> if (tci) {
> tci |= htons(VLAN_CFI);
> }
> }
> - *flow_tci = tci;
> + ctx->xin->flow.vlan_tci = *ctx->next_vlan_tci = tci;
>
> compose_output_action(ctx, xport->ofp_port);
> - *flow_tci = old_tci;
> + ctx->xin->flow.vlan_tci = *ctx->next_vlan_tci = old_tci;
> }
>
> /* A VM broadcasts a gratuitous ARP to indicate that it has resumed after
> @@ -1269,7 +1327,7 @@ xlate_normal(struct xlate_ctx *ctx)
>
> /* Drop malformed frames. */
> if (flow->dl_type == htons(ETH_TYPE_VLAN) &&
> - !(flow->vlan_tci & htons(VLAN_CFI))) {
> + !(*ctx->next_vlan_tci & htons(VLAN_CFI))) {
> if (ctx->xin->packet != NULL) {
> static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
> VLOG_WARN_RL(&rl, "bridge %s: dropping packet with partial "
> @@ -1293,7 +1351,7 @@ xlate_normal(struct xlate_ctx *ctx)
> }
>
> /* Check VLAN. */
> - vid = vlan_tci_to_vid(flow->vlan_tci);
> + vid = vlan_tci_to_vid(*ctx->next_vlan_tci);
> if (!input_vid_is_valid(vid, in_xbundle, ctx->xin->packet != NULL)) {
> xlate_report(ctx, "disallowed VLAN VID for this input port, dropping");
> return;
> @@ -1551,7 +1609,7 @@ compose_output_action__(struct xlate_ctx *ctx, ofp_port_t ofp_port,
> const struct xport *xport = get_ofp_port(ctx->xbridge, ofp_port);
> struct flow_wildcards *wc = &ctx->xout->wc;
> struct flow *flow = &ctx->xin->flow;
> - ovs_be16 flow_vlan_tci;
> + ovs_be16 flow_vlan_tci, vlan_tci;
> uint32_t flow_pkt_mark;
> uint8_t flow_nw_tos;
> odp_port_t out_port, odp_port;
> @@ -1620,6 +1678,7 @@ compose_output_action__(struct xlate_ctx *ctx, ofp_port_t ofp_port,
> }
>
> flow_vlan_tci = flow->vlan_tci;
> + vlan_tci = *ctx->next_vlan_tci;
> flow_pkt_mark = flow->pkt_mark;
> flow_nw_tos = flow->nw_tos;
>
> @@ -1659,12 +1718,13 @@ compose_output_action__(struct xlate_ctx *ctx, ofp_port_t ofp_port,
> wc->masks.vlan_tci |= htons(VLAN_VID_MASK | VLAN_CFI);
> }
> vlandev_port = vsp_realdev_to_vlandev(ctx->xbridge->ofproto, ofp_port,
> - flow->vlan_tci);
> + *ctx->next_vlan_tci);
> if (vlandev_port == ofp_port) {
> out_port = odp_port;
> } else {
> out_port = ofp_port_to_odp_port(ctx->xbridge, vlandev_port);
> flow->vlan_tci = htons(0);
> + ctx->post_mpls_vlan_tci = htons(0);
> }
> }
>
> @@ -1672,7 +1732,8 @@ compose_output_action__(struct xlate_ctx *ctx, ofp_port_t ofp_port,
> ctx->xout->slow |= commit_odp_actions(flow, &ctx->base_flow,
> &ctx->xout->odp_actions,
> &ctx->xout->wc,
> - &ctx->mpls_depth_delta);
> + &ctx->mpls_depth_delta,
> + ctx->post_mpls_vlan_tci);
> nl_msg_put_odp_port(&ctx->xout->odp_actions, OVS_ACTION_ATTR_OUTPUT,
> out_port);
>
> @@ -1684,6 +1745,7 @@ compose_output_action__(struct xlate_ctx *ctx, ofp_port_t ofp_port,
> out:
> /* Restore flow */
> flow->vlan_tci = flow_vlan_tci;
> + *ctx->next_vlan_tci = vlan_tci;
> flow->pkt_mark = flow_pkt_mark;
> flow->nw_tos = flow_nw_tos;
> }
> @@ -1838,7 +1900,8 @@ execute_controller_action(struct xlate_ctx *ctx, int len,
> ctx->xout->slow |= commit_odp_actions(&ctx->xin->flow, &ctx->base_flow,
> &ctx->xout->odp_actions,
> &ctx->xout->wc,
> - &ctx->mpls_depth_delta);
> + &ctx->mpls_depth_delta,
> + ctx->post_mpls_vlan_tci);
>
> odp_execute_actions(NULL, packet, &key, ctx->xout->odp_actions.data,
> ctx->xout->odp_actions.size, NULL, NULL);
> @@ -2231,7 +2294,8 @@ xlate_sample_action(struct xlate_ctx *ctx,
> ctx->xout->slow |= commit_odp_actions(&ctx->xin->flow, &ctx->base_flow,
> &ctx->xout->odp_actions,
> &ctx->xout->wc,
> - &ctx->mpls_depth_delta);
> + &ctx->mpls_depth_delta,
> + ctx->post_mpls_vlan_tci);
>
> compose_flow_sample_cookie(os->probability, os->collector_set_id,
> os->obs_domain_id, os->obs_point_id, &cookie);
> @@ -2320,28 +2384,28 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len,
>
> case OFPACT_SET_VLAN_VID:
> wc->masks.vlan_tci |= htons(VLAN_VID_MASK | VLAN_CFI);
> - flow->vlan_tci &= ~htons(VLAN_VID_MASK);
> - flow->vlan_tci |= (htons(ofpact_get_SET_VLAN_VID(a)->vlan_vid)
> - | htons(VLAN_CFI));
> + *ctx->next_vlan_tci &= ~htons(VLAN_VID_MASK);
> + *ctx->next_vlan_tci |= (htons(ofpact_get_SET_VLAN_VID(a)->vlan_vid)
> + | htons(VLAN_CFI));
> break;
>
> case OFPACT_SET_VLAN_PCP:
> wc->masks.vlan_tci |= htons(VLAN_PCP_MASK | VLAN_CFI);
> - flow->vlan_tci &= ~htons(VLAN_PCP_MASK);
> - flow->vlan_tci |=
> + *ctx->next_vlan_tci &= ~htons(VLAN_PCP_MASK);
> + *ctx->next_vlan_tci |=
> htons((ofpact_get_SET_VLAN_PCP(a)->vlan_pcp << VLAN_PCP_SHIFT)
> | VLAN_CFI);
> break;
>
> case OFPACT_STRIP_VLAN:
> memset(&wc->masks.vlan_tci, 0xff, sizeof wc->masks.vlan_tci);
> - flow->vlan_tci = htons(0);
> + *ctx->next_vlan_tci = htons(0);
> break;
>
> case OFPACT_PUSH_VLAN:
> /* XXX 802.1AD(QinQ) */
> memset(&wc->masks.vlan_tci, 0xff, sizeof wc->masks.vlan_tci);
> - flow->vlan_tci = htons(VLAN_CFI);
> + *ctx->next_vlan_tci = htons(VLAN_CFI);
> break;
>
> case OFPACT_SET_ETH_SRC:
> @@ -2423,29 +2487,53 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len,
> flow->skb_priority = ctx->orig_skb_priority;
> break;
>
> - case OFPACT_REG_MOVE:
> + case OFPACT_REG_MOVE: {
> + ovs_be16 orig_tci = flow->vlan_tci;
> nxm_execute_reg_move(ofpact_get_REG_MOVE(a), flow, wc);
> + vlan_tci_restore(ctx, orig_tci);
> break;
> + }
>
> - case OFPACT_REG_LOAD:
> + case OFPACT_REG_LOAD: {
> + ovs_be16 orig_tci = vlan_tci_save(ctx);
> nxm_execute_reg_load(ofpact_get_REG_LOAD(a), flow, wc);
> + vlan_tci_restore(ctx, orig_tci);
> break;
> + }
>
> - case OFPACT_STACK_PUSH:
> + case OFPACT_STACK_PUSH: {
> + ovs_be16 orig_tci = vlan_tci_save(ctx);
> nxm_execute_stack_push(ofpact_get_STACK_PUSH(a), flow, wc,
> &ctx->stack);
> + vlan_tci_restore(ctx, orig_tci);
> break;
> + }
>
> - case OFPACT_STACK_POP:
> + case OFPACT_STACK_POP: {
> + ovs_be16 orig_tci = vlan_tci_save(ctx);
> nxm_execute_stack_pop(ofpact_get_STACK_POP(a), flow, wc,
> &ctx->stack);
> + vlan_tci_restore(ctx, orig_tci);
> break;
> + }
>
> case OFPACT_PUSH_MPLS:
> if (compose_mpls_push_action(ctx,
> ofpact_get_PUSH_MPLS(a)->ethertype)) {
> return;
> }
> +
> + /* Save and pop any existing VLAN tags. They will be pushed
> + * back onto the packet after pushing the MPLS LSE. The overall
> + * effect is to push the MPLS LSE after any VLAN tags that may
> + * be present. This is the behaviour described for OpenFlow 1.1
> + * and 1.2. This code needs to be enhanced to make this
> + * conditional to also and support pushing the MPLS LSE before
> + * any VLAN tags that may be present, the behaviour described
> + * for OpenFlow 1.3. */
> + ctx->post_mpls_vlan_tci = *ctx->next_vlan_tci;
> + flow->vlan_tci = htons(0);
> + ctx->next_vlan_tci = &ctx->post_mpls_vlan_tci;
> break;
>
> case OFPACT_POP_MPLS:
> @@ -2786,6 +2874,8 @@ xlate_actions__(struct xlate_in *xin, struct xlate_out *xout)
> ctx.table_id = 0;
> ctx.exit = false;
> ctx.mpls_depth_delta = 0;
> + ctx.post_mpls_vlan_tci = htons(0);
> + ctx.next_vlan_tci = &ctx.xin->flow.vlan_tci;
>
> if (!xin->ofpacts && !ctx.rule) {
> rule_dpif_lookup(ctx.xbridge->ofproto, flow, wc, &rule);
> diff --git a/tests/ofproto-dpif.at b/tests/ofproto-dpif.at
> index c569463..372bce7 100644
> --- a/tests/ofproto-dpif.at
> +++ b/tests/ofproto-dpif.at
> @@ -965,6 +965,395 @@ done
> OVS_VSWITCHD_STOP
> AT_CLEANUP
>
> +AT_SETUP([ofproto-dpif - OF1.2 VLAN+MPLS handling])
> +OVS_VSWITCHD_START([dnl
> + add-port br0 p1 -- set Interface p1 type=dummy
> +])
> +ON_EXIT([kill `cat ovs-ofctl.pid`])
> +
> +AT_CAPTURE_FILE([ofctl_monitor.log])
> +AT_DATA([flows.txt], [dnl
> +cookie=0xa dl_src=40:44:44:44:54:50 actions=push_mpls:0x8847,load:10->OXM_OF_MPLS_LABEL[[]],push_vlan:0x8100,mod_vlan_vid:99,mod_vlan_pcp:1,controller
> +cookie=0xa dl_src=40:44:44:44:54:51 actions=push_mpls:0x8847,load:10->OXM_OF_MPLS_LABEL[[]],push_vlan:0x8100,mod_vlan_vid:99,mod_vlan_pcp:1,controller
> +cookie=0xa dl_src=40:44:44:44:54:52 actions=push_mpls:0x8847,load:10->OXM_OF_MPLS_LABEL[[]],push_vlan:0x8100,load:99->OXM_OF_VLAN_VID[[]],mod_vlan_pcp:1,controller
> +cookie=0xa dl_src=40:44:44:44:54:53 actions=push_mpls:0x8847,load:10->OXM_OF_MPLS_LABEL[[]],push_vlan:0x8100,load:99->OXM_OF_VLAN_VID[[]],mod_vlan_pcp:1,controller
> +cookie=0xa dl_src=40:44:44:44:54:54 actions=push_vlan:0x8100,mod_vlan_vid:99,mod_vlan_pcp:1,push_mpls:0x8847,load:10->OXM_OF_MPLS_LABEL[[]],controller
> +cookie=0xa dl_src=40:44:44:44:54:55 actions=push_vlan:0x8100,mod_vlan_vid:99,mod_vlan_pcp:1,push_mpls:0x8847,load:10->OXM_OF_MPLS_LABEL[[]],controller
> +cookie=0xa dl_src=40:44:44:44:54:56 actions=push_vlan:0x8100,load:99->OXM_OF_VLAN_VID[[]],mod_vlan_pcp:1,push_mpls:0x8847,load:10->OXM_OF_MPLS_LABEL[[]],controller
> +cookie=0xa dl_src=40:44:44:44:54:57 actions=push_vlan:0x8100,load:99->OXM_OF_VLAN_VID[[]],mod_vlan_pcp:1,push_mpls:0x8847,load:10->OXM_OF_MPLS_LABEL[[]],controller
> +cookie=0xa dl_src=40:44:44:44:54:58 actions=load:99->OXM_OF_VLAN_VID[[]],mod_vlan_pcp:1,push_mpls:0x8847,load:10->OXM_OF_MPLS_LABEL[[]],controller
> +cookie=0xa dl_src=40:44:44:44:54:59 actions=push_mpls:0x8847,load:10->OXM_OF_MPLS_LABEL[[]],mod_vlan_pcp:1,load:99->OXM_OF_VLAN_VID[[]],controller
> +])
> +AT_CHECK([ovs-ofctl --protocols=OpenFlow12 add-flows br0 flows.txt])
> +
> +dnl Modified MPLS controller action.
> +dnl In this test, we push the MPLS tag before pushing a VLAN tag, so we see
> +dnl both of these in the final flow
> +AT_CHECK([ovs-ofctl monitor br0 65534 -m -P nxm --detach --pidfile 2> ofctl_monitor.log])
> +
> +for i in 1 2 3; do
> + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:54:50,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no)'
> +done
> +OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
> +
> +AT_CHECK([cat ofctl_monitor.log], [0], [dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=68 in_port=1 (via action) data_len=68 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:50,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 50 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +00000040 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=68 in_port=1 (via action) data_len=68 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:50,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 50 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +00000040 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=68 in_port=1 (via action) data_len=68 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:50,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 50 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +00000040 00 00 00 00
> +])
> +
> +dnl Modified MPLS controller action.
> +dnl In this test, the input packet in vlan-tagged, which should be stripped
> +dnl before we push the MPLS and VLAN tags.
> +AT_CHECK([ovs-ofctl monitor br0 65534 -m -P nxm --detach --pidfile 2> ofctl_monitor.log])
> +
> +for i in 1 2 3; do
> + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:54:51,dst=50:54:00:00:00:07),eth_type(0x8100),vlan(vid=88,pcp=7),encap(eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no))'
> +done
> +OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 6])
> +ovs-appctl -t ovs-ofctl exit
> +
> +AT_CHECK([cat ofctl_monitor.log], [0], [dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:51,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 51 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:51,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 51 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:51,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 51 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +])
> +
> +dnl Modified MPLS controller action.
> +dnl In this test, we push the MPLS tag before pushing a VLAN tag, so we see
> +dnl both of these in the final flow
> +AT_CHECK([ovs-ofctl monitor br0 65534 -m -P nxm --detach --pidfile 2> ofctl_monitor.log])
> +
> +for i in 1 2 3; do
> + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:54:52,dst=52:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no)'
> +done
> +OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
> +
> +AT_CHECK([cat ofctl_monitor.log], [0], [dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=68 in_port=1 (via action) data_len=68 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:52,dl_dst=52:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 52 54 00 00 00 07 40 44-44 44 54 52 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +00000040 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=68 in_port=1 (via action) data_len=68 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:52,dl_dst=52:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 52 54 00 00 00 07 40 44-44 44 54 52 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +00000040 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=68 in_port=1 (via action) data_len=68 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:52,dl_dst=52:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 52 54 00 00 00 07 40 44-44 44 54 52 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +00000040 00 00 00 00
> +])
> +
> +dnl Modified MPLS controller action.
> +dnl In this test, the input packet in vlan-tagged, which should be stripped
> +dnl before we push the MPLS and VLAN tags.
> +AT_CHECK([ovs-ofctl monitor br0 65534 -m -P nxm --detach --pidfile 2> ofctl_monitor.log])
> +
> +for i in 1 2 3; do
> + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:54:53,dst=50:54:00:00:00:07),eth_type(0x8100),vlan(vid=88,pcp=7),encap(eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no))'
> +done
> +OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 6])
> +ovs-appctl -t ovs-ofctl exit
> +
> +AT_CHECK([cat ofctl_monitor.log], [0], [dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:53,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 53 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:53,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 53 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:53,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 53 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +])
> +
> +dnl Modified MPLS controller action.
> +dnl In this test, we push the VLAN tag before pushing a MPLS tag, but these
> +dnl actions are reordered, so we see both of these in the final flow.
> +AT_CHECK([ovs-ofctl monitor br0 65534 -m -P nxm --detach --pidfile 2> ofctl_monitor.log])
> +
> +for i in 1 2 3; do
> + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:54:54,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no)'
> +done
> +OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 6])
> +ovs-appctl -t ovs-ofctl exit
> +
> +AT_CHECK([cat ofctl_monitor.log], [0], [dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=68 in_port=1 (via action) data_len=68 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:54,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 54 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +00000040 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=68 in_port=1 (via action) data_len=68 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:54,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 54 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +00000040 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=68 in_port=1 (via action) data_len=68 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:54,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 54 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +00000040 00 00 00 00
> +])
> +
> +dnl Modified MPLS controller action.
> +dnl In this test, the input packet in vlan-tagged, which should be stripped
> +dnl before we push the MPLS and VLAN tags.
> +AT_CHECK([ovs-ofctl monitor br0 65534 -m -P nxm --detach --pidfile 2> ofctl_monitor.log])
> +
> +for i in 1 2 3; do
> + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:54:55,dst=50:54:00:00:00:07),eth_type(0x8100),vlan(vid=88,pcp=7),encap(eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no))'
> +done
> +OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 6])
> +ovs-appctl -t ovs-ofctl exit
> +
> +AT_CHECK([cat ofctl_monitor.log], [0], [dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:55,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 55 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:55,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 55 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:55,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 55 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +])
> +
> +dnl Modified MPLS controller action.
> +dnl In this test, we push the VLAN tag before pushing a MPLS tag, but these
> +dnl actions are reordered, so we see both of these in the final flow.
> +AT_CHECK([ovs-ofctl monitor br0 65534 -m -P nxm --detach --pidfile 2> ofctl_monitor.log])
> +
> +for i in 1 2 3; do
> + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:54:56,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no)'
> +done
> +OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 6])
> +ovs-appctl -t ovs-ofctl exit
> +
> +AT_CHECK([cat ofctl_monitor.log], [0], [dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=68 in_port=1 (via action) data_len=68 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:56,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 56 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +00000040 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=68 in_port=1 (via action) data_len=68 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:56,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 56 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +00000040 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=68 in_port=1 (via action) data_len=68 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:56,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 56 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +00000040 00 00 00 00
> +])
> +
> +dnl Modified MPLS controller action.
> +dnl In this test, the input packet in vlan-tagged, which should be stripped
> +dnl before we push the MPLS and VLAN tags.
> +AT_CHECK([ovs-ofctl monitor br0 -m 65534 -P nxm --detach --pidfile 2> ofctl_monitor.log])
> +
> +for i in 1 2 3; do
> + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:54:57,dst=50:54:00:00:00:07),eth_type(0x8100),vlan(vid=88,pcp=7),encap(eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no))'
> +done
> +OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 6])
> +ovs-appctl -t ovs-ofctl exit
> +
> +AT_CHECK([cat ofctl_monitor.log], [0], [dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:57,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 57 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:57,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 57 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:57,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 57 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +])
> +
> +dnl Modified MPLS controller action.
> +dnl In this test, the input packet in vlan-tagged, which should be stripped
> +dnl before we push the MPLS and VLAN tags.
> +AT_CHECK([ovs-ofctl monitor br0 65534 -m -P nxm --detach --pidfile 2> ofctl_monitor.log])
> +
> +for i in 1 2 3; do
> + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:54:58,dst=50:54:00:00:00:07),eth_type(0x8100),vlan(vid=88,pcp=7),encap(eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no))'
> +done
> +OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 6])
> +ovs-appctl -t ovs-ofctl exit
> +
> +AT_CHECK([cat ofctl_monitor.log], [0], [dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:58,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 58 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:58,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 58 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:58,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 58 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +])
> +
> +dnl Modified MPLS controller action.
> +dnl In this test, the input packet in vlan-tagged, which should be modified
> +dnl before we push MPLS and VLAN tags.
> +AT_CHECK([ovs-ofctl monitor br0 65534 -m -P nxm --detach --pidfile 2> ofctl_monitor.log])
> +
> +for i in 1 2 3; do
> + ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=40:44:44:44:54:59,dst=50:54:00:00:00:07),eth_type(0x8100),vlan(vid=88,pcp=7),encap(eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no))'
> +done
> +OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 6])
> +ovs-appctl -t ovs-ofctl exit
> +
> +AT_CHECK([cat ofctl_monitor.log], [0], [dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:59,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 59 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:59,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 59 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +dnl
> +NXT_PACKET_IN (xid=0x0): cookie=0xa total_len=64 in_port=1 (via action) data_len=64 (unbuffered)
> +mpls,metadata=0,in_port=0,dl_vlan=99,dl_vlan_pcp=1,dl_src=40:44:44:44:54:59,dl_dst=50:54:00:00:00:07,mpls_label=10,mpls_tc=0,mpls_ttl=64,mpls_bos=1
> +00000000 50 54 00 00 00 07 40 44-44 44 54 59 81 00 20 63
> +00000010 88 47 00 00 a1 40 45 00-00 28 00 00 00 00 40 06
> +00000020 f9 7c c0 a8 00 01 c0 a8-00 02 00 00 00 00 00 00
> +00000030 00 00 00 00 00 00 50 00-00 00 00 00 00 00 00 00
> +])
> +
> +AT_CHECK([ovs-appctl time/warp 5000], [0], [ignore])
> +AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
> + cookie=0xa, n_packets=3, n_bytes=180, dl_src=40:44:44:44:54:50 actions=push_mpls:0x8847,load:0xa->OXM_OF_MPLS_LABEL[[]],mod_vlan_vid:99,mod_vlan_pcp:1,CONTROLLER:65535
> + cookie=0xa, n_packets=3, n_bytes=180, dl_src=40:44:44:44:54:51 actions=push_mpls:0x8847,load:0xa->OXM_OF_MPLS_LABEL[[]],mod_vlan_vid:99,mod_vlan_pcp:1,CONTROLLER:65535
> + cookie=0xa, n_packets=3, n_bytes=180, dl_src=40:44:44:44:54:52 actions=push_mpls:0x8847,load:0xa->OXM_OF_MPLS_LABEL[[]],load:0x63->OXM_OF_VLAN_VID[[]],mod_vlan_pcp:1,CONTROLLER:65535
> + cookie=0xa, n_packets=3, n_bytes=180, dl_src=40:44:44:44:54:53 actions=push_mpls:0x8847,load:0xa->OXM_OF_MPLS_LABEL[[]],load:0x63->OXM_OF_VLAN_VID[[]],mod_vlan_pcp:1,CONTROLLER:65535
> + cookie=0xa, n_packets=3, n_bytes=180, dl_src=40:44:44:44:54:54 actions=mod_vlan_vid:99,mod_vlan_pcp:1,push_mpls:0x8847,load:0xa->OXM_OF_MPLS_LABEL[[]],CONTROLLER:65535
> + cookie=0xa, n_packets=3, n_bytes=180, dl_src=40:44:44:44:54:55 actions=mod_vlan_vid:99,mod_vlan_pcp:1,push_mpls:0x8847,load:0xa->OXM_OF_MPLS_LABEL[[]],CONTROLLER:65535
> + cookie=0xa, n_packets=3, n_bytes=180, dl_src=40:44:44:44:54:56 actions=load:0x63->OXM_OF_VLAN_VID[[]],mod_vlan_pcp:1,push_mpls:0x8847,load:0xa->OXM_OF_MPLS_LABEL[[]],CONTROLLER:65535
> + cookie=0xa, n_packets=3, n_bytes=180, dl_src=40:44:44:44:54:57 actions=load:0x63->OXM_OF_VLAN_VID[[]],mod_vlan_pcp:1,push_mpls:0x8847,load:0xa->OXM_OF_MPLS_LABEL[[]],CONTROLLER:65535
> + cookie=0xa, n_packets=3, n_bytes=180, dl_src=40:44:44:44:54:58 actions=load:0x63->OXM_OF_VLAN_VID[[]],mod_vlan_pcp:1,push_mpls:0x8847,load:0xa->OXM_OF_MPLS_LABEL[[]],CONTROLLER:65535
> + cookie=0xa, n_packets=3, n_bytes=180, dl_src=40:44:44:44:54:59 actions=push_mpls:0x8847,load:0xa->OXM_OF_MPLS_LABEL[[]],mod_vlan_pcp:1,load:0x63->OXM_OF_VLAN_VID[[]],CONTROLLER:65535
> +NXST_FLOW reply:
> +])
> +
> +OVS_VSWITCHD_STOP
> +AT_CLEANUP
> +
> AT_SETUP([ofproto-dpif - fragment handling])
> OVS_VSWITCHD_START
> ADD_OF_PORTS([br0], [1], [2], [3], [4], [5], [6], [90])
> --
> 1.8.4
>
> _______________________________________________
> dev mailing list
> dev@...nvswitch.org
> http://openvswitch.org/mailman/listinfo/dev
>
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