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bnx2x: System-page alignment

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Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eilon Greenstein 2009-02-12 08:36:18 +00:00 committed by David S. Miller
parent 8badd27aa0
commit 0f00846deb
2 changed files with 9 additions and 9 deletions
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7
drivers/net/bnx2x.h
View file

@ -158,8 +158,6 @@ struct sw_rx_page {
#define SGE_PAGE_SHIFT PAGE_SHIFT
#define SGE_PAGE_ALIGN(addr) PAGE_ALIGN(addr)
#define BCM_RX_ETH_PAYLOAD_ALIGN 64
/* SGE ring related macros */
#define NUM_RX_SGE_PAGES 2
#define RX_SGE_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge))
@ -758,6 +756,11 @@ struct bnx2x {
#define ETH_MAX_PACKET_SIZE 1500
#define ETH_MAX_JUMBO_PACKET_SIZE 9600
/* Max supported alignment is 256 (8 shift) */
#define BNX2X_RX_ALIGN_SHIFT ((L1_CACHE_SHIFT < 8) ? \
L1_CACHE_SHIFT : 8)
#define BNX2X_RX_ALIGN (1 << BNX2X_RX_ALIGN_SHIFT)
struct host_def_status_block *def_status_blk;
#define DEF_SB_ID 16
u16 def_c_idx;

11
drivers/net/bnx2x_main.c
View file

@ -4296,14 +4296,11 @@ static void bnx2x_init_rx_rings(struct bnx2x *bp)
u16 ring_prod, cqe_ring_prod;
int i, j;
bp->rx_buf_size = bp->dev->mtu;
bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
BCM_RX_ETH_PAYLOAD_ALIGN;
bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD + BNX2X_RX_ALIGN;
DP(NETIF_MSG_IFUP,
"mtu %d rx_buf_size %d\n", bp->dev->mtu, bp->rx_buf_size);
if (bp->flags & TPA_ENABLE_FLAG) {
DP(NETIF_MSG_IFUP,
"rx_buf_size %d effective_mtu %d\n",
bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
for_each_rx_queue(bp, j) {
struct bnx2x_fastpath *fp = &bp->fp[j];
@ -4502,7 +4499,7 @@ static void bnx2x_init_context(struct bnx2x *bp)
context->ustorm_st_context.common.flags =
USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
context->ustorm_st_context.common.mc_alignment_log_size =
6 /*BCM_RX_ETH_PAYLOAD_ALIGN*/;
BNX2X_RX_ALIGN_SHIFT;
context->ustorm_st_context.common.bd_buff_size =
bp->rx_buf_size;
context->ustorm_st_context.common.bd_page_base_hi =