diff options
| author | Jon Cooper <jcooper@solarflare.com> | 2017-02-08 16:51:02 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-09 16:47:53 -0500 |
| commit | da50ae2eae96e00e0188b24014efc10161e60925 (patch) | |
| tree | c42954a9b66dbdbd47e6226dcce73a907a05414a /drivers/net/ethernet/sfc | |
| parent | a0ee3541483767e82bf26b8269693eec25c01cba (diff) | |
| download | linux-da50ae2eae96e00e0188b24014efc10161e60925.tar.gz linux-da50ae2eae96e00e0188b24014efc10161e60925.tar.xz | |
sfc: set csum_level for encapsulated packets
Set the csum_level for encapsulated packets where the encapsulation
type, l3 class and l4 class are sets that need it.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc')
| -rw-r--r-- | drivers/net/ethernet/sfc/ef10.c | 23 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/net_driver.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/rx.c | 5 |
3 files changed, 25 insertions, 4 deletions
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index fd1008daf1e3..c738b113b0ac 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -3339,9 +3339,26 @@ static int efx_ef10_handle_rx_event(struct efx_channel *channel, rx_l3_class, rx_l4_class, rx_encap_hdr, event); } else { - if (rx_l4_class == ESE_DZ_L4_CLASS_TCP || - rx_l4_class == ESE_DZ_L4_CLASS_UDP) - flags |= EFX_RX_PKT_CSUMMED; + bool tcpudp = rx_l4_class == ESE_DZ_L4_CLASS_TCP || + rx_l4_class == ESE_DZ_L4_CLASS_UDP; + + switch (rx_encap_hdr) { + case ESE_EZ_ENCAP_HDR_VXLAN: /* VxLAN or GENEVE */ + flags |= EFX_RX_PKT_CSUMMED; /* outer UDP csum */ + if (tcpudp) + flags |= EFX_RX_PKT_CSUM_LEVEL; /* inner L4 */ + break; + case ESE_EZ_ENCAP_HDR_GRE: + case ESE_EZ_ENCAP_HDR_NONE: + if (tcpudp) + flags |= EFX_RX_PKT_CSUMMED; + break; + default: + netdev_WARN(efx->net_dev, + "unknown encapsulation type: event=" + EFX_QWORD_FMT "\n", + EFX_QWORD_VAL(*event)); + } } if (rx_l4_class == ESE_DZ_L4_CLASS_TCP) diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 3b1511092781..e64e933c5bb3 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -307,6 +307,7 @@ struct efx_rx_buffer { #define EFX_RX_PKT_DISCARD 0x0004 #define EFX_RX_PKT_TCP 0x0040 #define EFX_RX_PKT_PREFIX_LEN 0x0080 /* length is in prefix only */ +#define EFX_RX_PKT_CSUM_LEVEL 0x0200 /** * struct efx_rx_page_state - Page-based rx buffer state diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 31587f4066ab..42443f434569 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -434,6 +434,7 @@ efx_rx_packet_gro(struct efx_channel *channel, struct efx_rx_buffer *rx_buf, PKT_HASH_TYPE_L3); skb->ip_summed = ((rx_buf->flags & EFX_RX_PKT_CSUMMED) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE); + skb->csum_level = !!(rx_buf->flags & EFX_RX_PKT_CSUM_LEVEL); for (;;) { skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags, @@ -621,8 +622,10 @@ static void efx_rx_deliver(struct efx_channel *channel, u8 *eh, /* Set the SKB flags */ skb_checksum_none_assert(skb); - if (likely(rx_buf->flags & EFX_RX_PKT_CSUMMED)) + if (likely(rx_buf->flags & EFX_RX_PKT_CSUMMED)) { skb->ip_summed = CHECKSUM_UNNECESSARY; + skb->csum_level = !!(rx_buf->flags & EFX_RX_PKT_CSUM_LEVEL); + } efx_rx_skb_attach_timestamp(channel, skb); |