| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20200709232900.105163-10-kuba@kernel.org>
Date: Thu, 9 Jul 2020 16:28:59 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, saeedm@...lanox.com,
michael.chan@...adcom.com, emil.s.tantilov@...el.com,
alexander.h.duyck@...ux.intel.com, jeffrey.t.kirsher@...el.com,
tariqt@...lanox.com, mkubecek@...e.cz,
Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next v3 09/10] bnxt: convert to new udp_tunnel_nic infra
Convert to new infra, taking advantage of sleeping in callbacks.
v2:
- use bp->*_fw_dst_port_id != INVALID_HW_RING_ID as indication
that the offload is active.
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 141 ++++++----------------
drivers/net/ethernet/broadcom/bnxt/bnxt.h | 12 +-
2 files changed, 40 insertions(+), 113 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 6a884df44612..255eee3b4594 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -4505,10 +4505,12 @@ static int bnxt_hwrm_tunnel_dst_port_free(struct bnxt *bp, u8 tunnel_type)
switch (tunnel_type) {
case TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN:
- req.tunnel_dst_port_id = bp->vxlan_fw_dst_port_id;
+ req.tunnel_dst_port_id = cpu_to_le16(bp->vxlan_fw_dst_port_id);
+ bp->vxlan_fw_dst_port_id = INVALID_HW_RING_ID;
break;
case TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE:
- req.tunnel_dst_port_id = bp->nge_fw_dst_port_id;
+ req.tunnel_dst_port_id = cpu_to_le16(bp->nge_fw_dst_port_id);
+ bp->nge_fw_dst_port_id = INVALID_HW_RING_ID;
break;
default:
break;
@@ -4543,10 +4545,11 @@ static int bnxt_hwrm_tunnel_dst_port_alloc(struct bnxt *bp, __be16 port,
switch (tunnel_type) {
case TUNNEL_DST_PORT_ALLOC_REQ_TUNNEL_TYPE_VXLAN:
- bp->vxlan_fw_dst_port_id = resp->tunnel_dst_port_id;
+ bp->vxlan_fw_dst_port_id =
+ le16_to_cpu(resp->tunnel_dst_port_id);
break;
case TUNNEL_DST_PORT_ALLOC_REQ_TUNNEL_TYPE_GENEVE:
- bp->nge_fw_dst_port_id = resp->tunnel_dst_port_id;
+ bp->nge_fw_dst_port_id = le16_to_cpu(resp->tunnel_dst_port_id);
break;
default:
break;
@@ -7470,16 +7473,12 @@ static int bnxt_hwrm_pcie_qstats(struct bnxt *bp)
static void bnxt_hwrm_free_tunnel_ports(struct bnxt *bp)
{
- if (bp->vxlan_port_cnt) {
+ if (bp->vxlan_fw_dst_port_id != INVALID_HW_RING_ID)
bnxt_hwrm_tunnel_dst_port_free(
bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN);
- }
- bp->vxlan_port_cnt = 0;
- if (bp->nge_port_cnt) {
+ if (bp->nge_fw_dst_port_id != INVALID_HW_RING_ID)
bnxt_hwrm_tunnel_dst_port_free(
bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE);
- }
- bp->nge_port_cnt = 0;
}
static int bnxt_set_tpa(struct bnxt *bp, bool set_tpa)
@@ -9194,7 +9193,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
}
if (irq_re_init)
- udp_tunnel_get_rx_info(bp->dev);
+ udp_tunnel_nic_reset_ntf(bp->dev);
set_bit(BNXT_STATE_OPEN, &bp->state);
bnxt_enable_int(bp);
@@ -10353,24 +10352,6 @@ static void bnxt_sp_task(struct work_struct *work)
bnxt_cfg_ntp_filters(bp);
if (test_and_clear_bit(BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT, &bp->sp_event))
bnxt_hwrm_exec_fwd_req(bp);
- if (test_and_clear_bit(BNXT_VXLAN_ADD_PORT_SP_EVENT, &bp->sp_event)) {
- bnxt_hwrm_tunnel_dst_port_alloc(
- bp, bp->vxlan_port,
- TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN);
- }
- if (test_and_clear_bit(BNXT_VXLAN_DEL_PORT_SP_EVENT, &bp->sp_event)) {
- bnxt_hwrm_tunnel_dst_port_free(
- bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN);
- }
- if (test_and_clear_bit(BNXT_GENEVE_ADD_PORT_SP_EVENT, &bp->sp_event)) {
- bnxt_hwrm_tunnel_dst_port_alloc(
- bp, bp->nge_port,
- TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE);
- }
- if (test_and_clear_bit(BNXT_GENEVE_DEL_PORT_SP_EVENT, &bp->sp_event)) {
- bnxt_hwrm_tunnel_dst_port_free(
- bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE);
- }
if (test_and_clear_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event)) {
bnxt_hwrm_port_qstats(bp);
bnxt_hwrm_port_qstats_ext(bp);
@@ -10967,6 +10948,9 @@ static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev)
timer_setup(&bp->timer, bnxt_timer, 0);
bp->current_interval = BNXT_TIMER_INTERVAL;
+ bp->vxlan_fw_dst_port_id = INVALID_HW_RING_ID;
+ bp->nge_fw_dst_port_id = INVALID_HW_RING_ID;
+
clear_bit(BNXT_STATE_OPEN, &bp->state);
return 0;
@@ -11294,84 +11278,33 @@ static void bnxt_cfg_ntp_filters(struct bnxt *bp)
#endif /* CONFIG_RFS_ACCEL */
-static void bnxt_udp_tunnel_add(struct net_device *dev,
- struct udp_tunnel_info *ti)
+static int bnxt_udp_tunnel_sync(struct net_device *netdev, unsigned int table)
{
- struct bnxt *bp = netdev_priv(dev);
-
- if (ti->sa_family != AF_INET6 && ti->sa_family != AF_INET)
- return;
-
- if (!netif_running(dev))
- return;
+ struct bnxt *bp = netdev_priv(netdev);
+ struct udp_tunnel_info ti;
+ unsigned int cmd;
- switch (ti->type) {
- case UDP_TUNNEL_TYPE_VXLAN:
- if (bp->vxlan_port_cnt && bp->vxlan_port != ti->port)
- return;
+ udp_tunnel_nic_get_port(netdev, table, 0, &ti);
+ if (ti.type == UDP_TUNNEL_TYPE_VXLAN)
+ cmd = TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN;
+ else
+ cmd = TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE;
- bp->vxlan_port_cnt++;
- if (bp->vxlan_port_cnt == 1) {
- bp->vxlan_port = ti->port;
- set_bit(BNXT_VXLAN_ADD_PORT_SP_EVENT, &bp->sp_event);
- bnxt_queue_sp_work(bp);
- }
- break;
- case UDP_TUNNEL_TYPE_GENEVE:
- if (bp->nge_port_cnt && bp->nge_port != ti->port)
- return;
+ if (ti.port)
+ return bnxt_hwrm_tunnel_dst_port_alloc(bp, ti.port, cmd);
- bp->nge_port_cnt++;
- if (bp->nge_port_cnt == 1) {
- bp->nge_port = ti->port;
- set_bit(BNXT_GENEVE_ADD_PORT_SP_EVENT, &bp->sp_event);
- }
- break;
- default:
- return;
- }
-
- bnxt_queue_sp_work(bp);
+ return bnxt_hwrm_tunnel_dst_port_free(bp, cmd);
}
-static void bnxt_udp_tunnel_del(struct net_device *dev,
- struct udp_tunnel_info *ti)
-{
- struct bnxt *bp = netdev_priv(dev);
-
- if (ti->sa_family != AF_INET6 && ti->sa_family != AF_INET)
- return;
-
- if (!netif_running(dev))
- return;
-
- switch (ti->type) {
- case UDP_TUNNEL_TYPE_VXLAN:
- if (!bp->vxlan_port_cnt || bp->vxlan_port != ti->port)
- return;
- bp->vxlan_port_cnt--;
-
- if (bp->vxlan_port_cnt != 0)
- return;
-
- set_bit(BNXT_VXLAN_DEL_PORT_SP_EVENT, &bp->sp_event);
- break;
- case UDP_TUNNEL_TYPE_GENEVE:
- if (!bp->nge_port_cnt || bp->nge_port != ti->port)
- return;
- bp->nge_port_cnt--;
-
- if (bp->nge_port_cnt != 0)
- return;
-
- set_bit(BNXT_GENEVE_DEL_PORT_SP_EVENT, &bp->sp_event);
- break;
- default:
- return;
- }
-
- bnxt_queue_sp_work(bp);
-}
+static const struct udp_tunnel_nic_info bnxt_udp_tunnels = {
+ .sync_table = bnxt_udp_tunnel_sync,
+ .flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP |
+ UDP_TUNNEL_NIC_INFO_OPEN_ONLY,
+ .tables = {
+ { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, },
+ { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_GENEVE, },
+ },
+};
static int bnxt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
struct net_device *dev, u32 filter_mask,
@@ -11469,8 +11402,8 @@ static const struct net_device_ops bnxt_netdev_ops = {
#ifdef CONFIG_RFS_ACCEL
.ndo_rx_flow_steer = bnxt_rx_flow_steer,
#endif
- .ndo_udp_tunnel_add = bnxt_udp_tunnel_add,
- .ndo_udp_tunnel_del = bnxt_udp_tunnel_del,
+ .ndo_udp_tunnel_add = udp_tunnel_nic_add_port,
+ .ndo_udp_tunnel_del = udp_tunnel_nic_del_port,
.ndo_bpf = bnxt_xdp,
.ndo_xdp_xmit = bnxt_xdp_xmit,
.ndo_bridge_getlink = bnxt_bridge_getlink,
@@ -11958,6 +11891,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE |
NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM |
NETIF_F_GSO_IPXIP4 | NETIF_F_GSO_PARTIAL;
+ dev->udp_tunnel_nic_info = &bnxt_udp_tunnels;
+
dev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM |
NETIF_F_GSO_GRE_CSUM;
dev->vlan_features = dev->hw_features | NETIF_F_HIGHDMA;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 78e2fd63ac3d..aa549d760235 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1751,12 +1751,8 @@ struct bnxt {
((u64)(maj) << 48 | (u64)(min) << 32 | (u64)(bld) << 16 | (rsv))
#define BNXT_FW_MAJ(bp) ((bp)->fw_ver_code >> 48)
- __be16 vxlan_port;
- u8 vxlan_port_cnt;
- __le16 vxlan_fw_dst_port_id;
- __be16 nge_port;
- u8 nge_port_cnt;
- __le16 nge_fw_dst_port_id;
+ u16 vxlan_fw_dst_port_id;
+ u16 nge_fw_dst_port_id;
u8 port_partition_type;
u8 port_count;
u16 br_mode;
@@ -1776,16 +1772,12 @@ struct bnxt {
#define BNXT_RX_NTP_FLTR_SP_EVENT 1
#define BNXT_LINK_CHNG_SP_EVENT 2
#define BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT 3
-#define BNXT_VXLAN_ADD_PORT_SP_EVENT 4
-#define BNXT_VXLAN_DEL_PORT_SP_EVENT 5
#define BNXT_RESET_TASK_SP_EVENT 6
#define BNXT_RST_RING_SP_EVENT 7
#define BNXT_HWRM_PF_UNLOAD_SP_EVENT 8
#define BNXT_PERIODIC_STATS_SP_EVENT 9
#define BNXT_HWRM_PORT_MODULE_SP_EVENT 10
#define BNXT_RESET_TASK_SILENT_SP_EVENT 11
-#define BNXT_GENEVE_ADD_PORT_SP_EVENT 12
-#define BNXT_GENEVE_DEL_PORT_SP_EVENT 13
#define BNXT_LINK_SPEED_CHNG_SP_EVENT 14
#define BNXT_FLOW_STATS_SP_EVENT 15
#define BNXT_UPDATE_PHY_SP_EVENT 16
--
2.26.2
Powered by blists - more mailing lists