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path: root/drivers/net/bnx2x/bnx2x_cmn.c
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Diffstat (limited to 'drivers/net/bnx2x/bnx2x_cmn.c')
-rw-r--r--drivers/net/bnx2x/bnx2x_cmn.c70
1 files changed, 51 insertions, 19 deletions
diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c
index a71b32940533..e83ac6dd6fc0 100644
--- a/drivers/net/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/bnx2x/bnx2x_cmn.c
@@ -232,7 +232,7 @@ static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
/* move empty skb from pool to prod and map it */
prod_rx_buf->skb = fp->tpa_pool[queue].skb;
mapping = dma_map_single(&bp->pdev->dev, fp->tpa_pool[queue].skb->data,
- bp->rx_buf_size, DMA_FROM_DEVICE);
+ fp->rx_buf_size, DMA_FROM_DEVICE);
dma_unmap_addr_set(prod_rx_buf, mapping, mapping);
/* move partial skb from cons to pool (don't unmap yet) */
@@ -367,13 +367,13 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
struct sk_buff *skb = rx_buf->skb;
/* alloc new skb */
- struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
+ struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, fp->rx_buf_size);
/* Unmap skb in the pool anyway, as we are going to change
pool entry status to BNX2X_TPA_STOP even if new skb allocation
fails. */
dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(rx_buf, mapping),
- bp->rx_buf_size, DMA_FROM_DEVICE);
+ fp->rx_buf_size, DMA_FROM_DEVICE);
if (likely(new_skb)) {
/* fix ip xsum and give it to the stack */
@@ -385,10 +385,10 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
prefetch(((char *)(skb)) + L1_CACHE_BYTES);
#ifdef BNX2X_STOP_ON_ERROR
- if (pad + len > bp->rx_buf_size) {
+ if (pad + len > fp->rx_buf_size) {
BNX2X_ERR("skb_put is about to fail... "
"pad %d len %d rx_buf_size %d\n",
- pad, len, bp->rx_buf_size);
+ pad, len, fp->rx_buf_size);
bnx2x_panic();
return;
}
@@ -618,7 +618,7 @@ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
if (likely(bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0)) {
dma_unmap_single(&bp->pdev->dev,
dma_unmap_addr(rx_buf, mapping),
- bp->rx_buf_size,
+ fp->rx_buf_size,
DMA_FROM_DEVICE);
skb_reserve(skb, pad);
skb_put(skb, len);
@@ -858,19 +858,16 @@ void bnx2x_init_rx_rings(struct bnx2x *bp)
u16 ring_prod;
int i, j;
- bp->rx_buf_size = bp->dev->mtu + ETH_OVREHEAD + BNX2X_RX_ALIGN +
- IP_HEADER_ALIGNMENT_PADDING;
-
- DP(NETIF_MSG_IFUP,
- "mtu %d rx_buf_size %d\n", bp->dev->mtu, bp->rx_buf_size);
-
for_each_rx_queue(bp, j) {
struct bnx2x_fastpath *fp = &bp->fp[j];
+ DP(NETIF_MSG_IFUP,
+ "mtu %d rx_buf_size %d\n", bp->dev->mtu, fp->rx_buf_size);
+
if (!fp->disable_tpa) {
for (i = 0; i < max_agg_queues; i++) {
fp->tpa_pool[i].skb =
- netdev_alloc_skb(bp->dev, bp->rx_buf_size);
+ netdev_alloc_skb(bp->dev, fp->rx_buf_size);
if (!fp->tpa_pool[i].skb) {
BNX2X_ERR("Failed to allocate TPA "
"skb pool for queue[%d] - "
@@ -978,7 +975,7 @@ static void bnx2x_free_rx_skbs(struct bnx2x *bp)
dma_unmap_single(&bp->pdev->dev,
dma_unmap_addr(rx_buf, mapping),
- bp->rx_buf_size, DMA_FROM_DEVICE);
+ fp->rx_buf_size, DMA_FROM_DEVICE);
rx_buf->skb = NULL;
dev_kfree_skb(skb);
@@ -1303,6 +1300,31 @@ static inline int bnx2x_set_real_num_queues(struct bnx2x *bp)
return rc;
}
+static inline void bnx2x_set_rx_buf_size(struct bnx2x *bp)
+{
+ int i;
+
+ for_each_queue(bp, i) {
+ struct bnx2x_fastpath *fp = &bp->fp[i];
+
+ /* Always use a mini-jumbo MTU for the FCoE L2 ring */
+ if (IS_FCOE_IDX(i))
+ /*
+ * Although there are no IP frames expected to arrive to
+ * this ring we still want to add an
+ * IP_HEADER_ALIGNMENT_PADDING to prevent a buffer
+ * overrun attack.
+ */
+ fp->rx_buf_size =
+ BNX2X_FCOE_MINI_JUMBO_MTU + ETH_OVREHEAD +
+ BNX2X_RX_ALIGN + IP_HEADER_ALIGNMENT_PADDING;
+ else
+ fp->rx_buf_size =
+ bp->dev->mtu + ETH_OVREHEAD + BNX2X_RX_ALIGN +
+ IP_HEADER_ALIGNMENT_PADDING;
+ }
+}
+
/* must be called with rtnl_lock */
int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
{
@@ -1326,6 +1348,9 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
/* must be called before memory allocation and HW init */
bnx2x_ilt_set_info(bp);
+ /* Set the receive queues buffer size */
+ bnx2x_set_rx_buf_size(bp);
+
if (bnx2x_alloc_mem(bp))
return -ENOMEM;
@@ -1481,6 +1506,15 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
bnx2x_set_eth_mac(bp, 1);
+ /* Clear MC configuration */
+ if (CHIP_IS_E1(bp))
+ bnx2x_invalidate_e1_mc_list(bp);
+ else
+ bnx2x_invalidate_e1h_mc_list(bp);
+
+ /* Clear UC lists configuration */
+ bnx2x_invalidate_uc_list(bp);
+
if (bp->pending_max) {
bnx2x_update_max_mf_config(bp, bp->pending_max);
bp->pending_max = 0;
@@ -1489,25 +1523,23 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
if (bp->port.pmf)
bnx2x_initial_phy_init(bp, load_mode);
+ /* Initialize Rx filtering */
+ bnx2x_set_rx_mode(bp->dev);
+
/* Start fast path */
switch (load_mode) {
case LOAD_NORMAL:
/* Tx queue should be only reenabled */
netif_tx_wake_all_queues(bp->dev);
/* Initialize the receive filter. */
- bnx2x_set_rx_mode(bp->dev);
break;
case LOAD_OPEN:
netif_tx_start_all_queues(bp->dev);
smp_mb__after_clear_bit();
- /* Initialize the receive filter. */
- bnx2x_set_rx_mode(bp->dev);
break;
case LOAD_DIAG:
- /* Initialize the receive filter. */
- bnx2x_set_rx_mode(bp->dev);
bp->state = BNX2X_STATE_DIAG;
break;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 17:24:18 +0000