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| author |   Vladislav Zolotarov <vladz@broadcom.com> | 2011-02-06 11:21:02 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2011-02-06 11:21:02 -0800 |
| commit | a8c94b9188bf6012d9b6c3d37f324bd6c7d2924e (patch) | |
| tree | 3e099f4ab52247d52c842bc7f6a99c07ca09af40 /drivers/net/bnx2x/bnx2x.h | |
| parent | tcp: Add reference to initial CWND ietf draft. (diff) | |
| download | linux-dev-a8c94b9188bf6012d9b6c3d37f324bd6c7d2924e.tar.xz linux-dev-a8c94b9188bf6012d9b6c3d37f324bd6c7d2924e.zip | |
bnx2x: MTU for FCoE L2 ring
Always configure an FCoE L2 ring with a mini-jumbo MTU size (2500).
To do that we had to move the rx_buf_size parameter from per
function level to a per ring level.
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bnx2x/bnx2x.h')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h index ff87ec33d00e..c29b37e5e743 100644 --- a/drivers/net/bnx2x/bnx2x.h +++ b/drivers/net/bnx2x/bnx2x.h @@ -341,6 +341,8 @@ struct bnx2x_fastpath { /* chip independed shortcut into rx_prods_offset memory */ u32 ustorm_rx_prods_offset; + u32 rx_buf_size; + dma_addr_t status_blk_mapping; struct sw_tx_bd *tx_buf_ring; @@ -428,6 +430,10 @@ struct bnx2x_fastpath { }; #define bnx2x_fp(bp, nr, var) (bp->fp[nr].var) + +/* Use 2500 as a mini-jumbo MTU for FCoE */ +#define BNX2X_FCOE_MINI_JUMBO_MTU 2500 + #ifdef BCM_CNIC /* FCoE L2 `fastpath' is right after the eth entries */ #define FCOE_IDX BNX2X_NUM_ETH_QUEUES(bp) @@ -911,7 +917,6 @@ struct bnx2x { int tx_ring_size; u32 rx_csum; - u32 rx_buf_size; /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */ #define ETH_OVREHEAD (ETH_HLEN + 8 + 8) #define ETH_MIN_PACKET_SIZE 60 |