diff options
| author |   Bert Kenward <bkenward@solarflare.com> | 2015-11-30 09:05:35 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-12-01 15:46:39 -0500 |
| commit | 93171b14a5455442f973172ebdfae24c205c0f11 (patch) | |
| tree | 226a2087daa05ddb84d624f9e474a1a58a7bbd60 /drivers/net/ethernet/sfc/tx.c | |
| parent | net: add support for netdev notifier error injection (diff) | |
| download | linux-dev-93171b14a5455442f973172ebdfae24c205c0f11.tar.xz linux-dev-93171b14a5455442f973172ebdfae24c205c0f11.zip | |
sfc: make TSO version a per-queue parameter
The Solarflare 8000 series NIC will use a new TSO scheme. The current
driver refuses to load if the current TSO scheme is not found. Remove
that check and instead make the TSO version a per-queue parameter.
Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/tx.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/tx.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index 67f6afaa022f..f7a0ec1bca97 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -1010,13 +1010,17 @@ static void efx_enqueue_unwind(struct efx_tx_queue *tx_queue, /* Parse the SKB header and initialise state. */ static int tso_start(struct tso_state *st, struct efx_nic *efx, + struct efx_tx_queue *tx_queue, const struct sk_buff *skb) { - bool use_opt_desc = efx_nic_rev(efx) >= EFX_REV_HUNT_A0; struct device *dma_dev = &efx->pci_dev->dev; unsigned int header_len, in_len; + bool use_opt_desc = false; dma_addr_t dma_addr; + if (tx_queue->tso_version == 1) + use_opt_desc = true; + st->ip_off = skb_network_header(skb) - skb->data; st->tcp_off = skb_transport_header(skb) - skb->data; header_len = st->tcp_off + (tcp_hdr(skb)->doff << 2u); @@ -1271,7 +1275,7 @@ static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue, /* Find the packet protocol and sanity-check it */ state.protocol = efx_tso_check_protocol(skb); - rc = tso_start(&state, efx, skb); + rc = tso_start(&state, efx, tx_queue, skb); if (rc) goto mem_err; |