S2io: Support for vlan_rx_kill_vid entry point

- Resubmit #3
- Added s2io_vlan_rx_kill_vid entry point function for unregistering vlan.
- Fix to aggregate vlan packets. IP offset is incremented by
  4 bytes if the packet contains vlan header.

Signed-off-by: Surjit Reang <surjit.reang@neterion.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h
index 5e351c0879fa..e68fdf7e4260 100644
--- a/drivers/net/s2io.h
+++ b/drivers/net/s2io.h
@@ -546,6 +546,7 @@ struct RxD_t {
 #define RXD_OWN_XENA            s2BIT(7)
 #define RXD_T_CODE              (s2BIT(12)|s2BIT(13)|s2BIT(14)|s2BIT(15))
 #define RXD_FRAME_PROTO         vBIT(0xFFFF,24,8)
+#define RXD_FRAME_VLAN_TAG      s2BIT(24)
 #define RXD_FRAME_PROTO_IPV4    s2BIT(27)
 #define RXD_FRAME_PROTO_IPV6    s2BIT(28)
 #define RXD_FRAME_IP_FRAG       s2BIT(29)
@@ -829,10 +830,11 @@ struct lro {
         int             sg_num;
         int             in_use;
         __be16          window;
+        u16             vlan_tag;
         u32             cur_tsval;
         __be32          cur_tsecr;
         u8              saw_ts;
-};
+} ____cacheline_aligned;
 
 /* These flags represent the devices temporary state */
 enum s2io_device_state_t
@@ -1129,7 +1131,7 @@ static int
 s2io_club_tcp_session(u8 *buffer, u8 **tcp, u32 *tcp_len, struct lro **lro,
                       struct RxD_t *rxdp, struct s2io_nic *sp);
 static void clear_lro_session(struct lro *lro);
-static void queue_rx_frame(struct sk_buff *skb);
+static void queue_rx_frame(struct sk_buff *skb, u16 vlan_tag);
 static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro);
 static void lro_append_pkt(struct s2io_nic *sp, struct lro *lro,
                            struct sk_buff *skb, u32 tcp_len);