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Message-ID: <CAE4R7bAgSji_rt3147Kt8jqyT5_yqBCbKjSLgZVa8xkRc0dndA@mail.gmail.com>
Date:	Thu, 4 Dec 2014 12:33:59 -0800
From:	Scott Feldman <sfeldma@...il.com>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	Netdev <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [patch net-next v2 1/2] rocker: introduce be put/get variants and
 use it when appropriate

Signed-off-by: Scott Feldman <sfeldma@...il.com>

On Wed, Dec 3, 2014 at 5:14 AM, Jiri Pirko <jiri@...nulli.us> wrote:
> This kills the sparse warnings.
>
> Signed-off-by: Jiri Pirko <jiri@...nulli.us>
> ---
> v1->v2:
> -no change
> ---
>  drivers/net/ethernet/rocker/rocker.c | 79 ++++++++++++++++++++++--------------
>  1 file changed, 48 insertions(+), 31 deletions(-)
>
> diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
> index fded127..4b060fb 100644
> --- a/drivers/net/ethernet/rocker/rocker.c
> +++ b/drivers/net/ethernet/rocker/rocker.c
> @@ -648,6 +648,11 @@ static u16 rocker_tlv_get_u16(const struct rocker_tlv *tlv)
>         return *(u16 *) rocker_tlv_data(tlv);
>  }
>
> +static __be16 rocker_tlv_get_be16(const struct rocker_tlv *tlv)
> +{
> +       return *(__be16 *) rocker_tlv_data(tlv);
> +}
> +
>  static u32 rocker_tlv_get_u32(const struct rocker_tlv *tlv)
>  {
>         return *(u32 *) rocker_tlv_data(tlv);
> @@ -726,12 +731,24 @@ static int rocker_tlv_put_u16(struct rocker_desc_info *desc_info,
>         return rocker_tlv_put(desc_info, attrtype, sizeof(u16), &value);
>  }
>
> +static int rocker_tlv_put_be16(struct rocker_desc_info *desc_info,
> +                              int attrtype, __be16 value)
> +{
> +       return rocker_tlv_put(desc_info, attrtype, sizeof(__be16), &value);
> +}
> +
>  static int rocker_tlv_put_u32(struct rocker_desc_info *desc_info,
>                               int attrtype, u32 value)
>  {
>         return rocker_tlv_put(desc_info, attrtype, sizeof(u32), &value);
>  }
>
> +static int rocker_tlv_put_be32(struct rocker_desc_info *desc_info,
> +                              int attrtype, __be32 value)
> +{
> +       return rocker_tlv_put(desc_info, attrtype, sizeof(__be32), &value);
> +}
> +
>  static int rocker_tlv_put_u64(struct rocker_desc_info *desc_info,
>                               int attrtype, u64 value)
>  {
> @@ -1343,7 +1360,7 @@ static int rocker_event_mac_vlan_seen(struct rocker *rocker,
>         port_number =
>                 rocker_tlv_get_u32(attrs[ROCKER_TLV_EVENT_MAC_VLAN_LPORT]) - 1;
>         addr = rocker_tlv_data(attrs[ROCKER_TLV_EVENT_MAC_VLAN_MAC]);
> -       vlan_id = rocker_tlv_get_u16(attrs[ROCKER_TLV_EVENT_MAC_VLAN_VLAN_ID]);
> +       vlan_id = rocker_tlv_get_be16(attrs[ROCKER_TLV_EVENT_MAC_VLAN_VLAN_ID]);
>
>         if (port_number >= rocker->port_count)
>                 return -EINVAL;
> @@ -1717,18 +1734,18 @@ static int rocker_cmd_flow_tbl_add_vlan(struct rocker_desc_info *desc_info,
>         if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_LPORT,
>                                entry->key.vlan.in_lport))
>                 return -EMSGSIZE;
> -       if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID,
> -                              entry->key.vlan.vlan_id))
> +       if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID,
> +                               entry->key.vlan.vlan_id))
>                 return -EMSGSIZE;
> -       if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK,
> -                              entry->key.vlan.vlan_id_mask))
> +       if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK,
> +                               entry->key.vlan.vlan_id_mask))
>                 return -EMSGSIZE;
>         if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID,
>                                entry->key.vlan.goto_tbl))
>                 return -EMSGSIZE;
>         if (entry->key.vlan.untagged &&
> -           rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_NEW_VLAN_ID,
> -                              entry->key.vlan.new_vlan_id))
> +           rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_NEW_VLAN_ID,
> +                               entry->key.vlan.new_vlan_id))
>                 return -EMSGSIZE;
>
>         return 0;
> @@ -1743,8 +1760,8 @@ static int rocker_cmd_flow_tbl_add_term_mac(struct rocker_desc_info *desc_info,
>         if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_LPORT_MASK,
>                                entry->key.term_mac.in_lport_mask))
>                 return -EMSGSIZE;
> -       if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE,
> -                              entry->key.term_mac.eth_type))
> +       if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE,
> +                               entry->key.term_mac.eth_type))
>                 return -EMSGSIZE;
>         if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC,
>                            ETH_ALEN, entry->key.term_mac.eth_dst))
> @@ -1752,11 +1769,11 @@ static int rocker_cmd_flow_tbl_add_term_mac(struct rocker_desc_info *desc_info,
>         if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC_MASK,
>                            ETH_ALEN, entry->key.term_mac.eth_dst_mask))
>                 return -EMSGSIZE;
> -       if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID,
> -                              entry->key.term_mac.vlan_id))
> +       if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID,
> +                               entry->key.term_mac.vlan_id))
>                 return -EMSGSIZE;
> -       if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK,
> -                              entry->key.term_mac.vlan_id_mask))
> +       if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK,
> +                               entry->key.term_mac.vlan_id_mask))
>                 return -EMSGSIZE;
>         if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID,
>                                entry->key.term_mac.goto_tbl))
> @@ -1773,14 +1790,14 @@ static int
>  rocker_cmd_flow_tbl_add_ucast_routing(struct rocker_desc_info *desc_info,
>                                       struct rocker_flow_tbl_entry *entry)
>  {
> -       if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE,
> -                              entry->key.ucast_routing.eth_type))
> +       if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE,
> +                               entry->key.ucast_routing.eth_type))
>                 return -EMSGSIZE;
> -       if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_DST_IP,
> -                              entry->key.ucast_routing.dst4))
> +       if (rocker_tlv_put_be32(desc_info, ROCKER_TLV_OF_DPA_DST_IP,
> +                               entry->key.ucast_routing.dst4))
>                 return -EMSGSIZE;
> -       if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_DST_IP_MASK,
> -                              entry->key.ucast_routing.dst4_mask))
> +       if (rocker_tlv_put_be32(desc_info, ROCKER_TLV_OF_DPA_DST_IP_MASK,
> +                               entry->key.ucast_routing.dst4_mask))
>                 return -EMSGSIZE;
>         if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID,
>                                entry->key.ucast_routing.goto_tbl))
> @@ -1804,8 +1821,8 @@ static int rocker_cmd_flow_tbl_add_bridge(struct rocker_desc_info *desc_info,
>                            ETH_ALEN, entry->key.bridge.eth_dst_mask))
>                 return -EMSGSIZE;
>         if (entry->key.bridge.vlan_id &&
> -           rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID,
> -                              entry->key.bridge.vlan_id))
> +           rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID,
> +                               entry->key.bridge.vlan_id))
>                 return -EMSGSIZE;
>         if (entry->key.bridge.tunnel_id &&
>             rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_TUNNEL_ID,
> @@ -1846,14 +1863,14 @@ static int rocker_cmd_flow_tbl_add_acl(struct rocker_desc_info *desc_info,
>         if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC_MASK,
>                            ETH_ALEN, entry->key.acl.eth_dst_mask))
>                 return -EMSGSIZE;
> -       if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE,
> -                              entry->key.acl.eth_type))
> +       if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE,
> +                               entry->key.acl.eth_type))
>                 return -EMSGSIZE;
> -       if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID,
> -                              entry->key.acl.vlan_id))
> +       if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID,
> +                               entry->key.acl.vlan_id))
>                 return -EMSGSIZE;
> -       if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK,
> -                              entry->key.acl.vlan_id_mask))
> +       if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK,
> +                               entry->key.acl.vlan_id_mask))
>                 return -EMSGSIZE;
>
>         switch (ntohs(entry->key.acl.eth_type)) {
> @@ -2002,8 +2019,8 @@ rocker_cmd_group_tbl_add_l2_rewrite(struct rocker_desc_info *desc_info,
>                            ETH_ALEN, entry->l2_rewrite.eth_dst))
>                 return -EMSGSIZE;
>         if (entry->l2_rewrite.vlan_id &&
> -           rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID,
> -                              entry->l2_rewrite.vlan_id))
> +           rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID,
> +                               entry->l2_rewrite.vlan_id))
>                 return -EMSGSIZE;
>
>         return 0;
> @@ -2048,8 +2065,8 @@ rocker_cmd_group_tbl_add_l3_unicast(struct rocker_desc_info *desc_info,
>                            ETH_ALEN, entry->l3_unicast.eth_dst))
>                 return -EMSGSIZE;
>         if (entry->l3_unicast.vlan_id &&
> -           rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID,
> -                              entry->l3_unicast.vlan_id))
> +           rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID,
> +                               entry->l3_unicast.vlan_id))
>                 return -EMSGSIZE;
>         if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_TTL_CHECK,
>                               entry->l3_unicast.ttl_check))
> --
> 1.9.3
>
--
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