From: Alexander Duyck Date: Mon, 25 Jan 2016 05:17:22 +0000 (-0800) Subject: i40e/i40evf: Clean-up Rx packet checksum handling X-Git-Tag: v4.9.8~2476^2~223^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fad57330b6d0710fdf39dc1c2b28ccebb97ae8a1;p=platform%2Fkernel%2Flinux-rpi3.git i40e/i40evf: Clean-up Rx packet checksum handling This is mostly a minor clean-up for the Rx checksum path in order to avoid some of the unnecessary conditional checks that were being applied. Signed-off-by: Alexander Duyck Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 6b08b0f..ded73c0 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -1389,13 +1389,7 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi, u16 rx_ptype) { struct i40e_rx_ptype_decoded decoded = decode_rx_desc_ptype(rx_ptype); - bool ipv4 = false, ipv6 = false; - bool ipv4_tunnel, ipv6_tunnel; - - ipv4_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT4_MAC_PAY3) && - (rx_ptype <= I40E_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4); - ipv6_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT6_MAC_PAY3) && - (rx_ptype <= I40E_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4); + bool ipv4, ipv6, ipv4_tunnel, ipv6_tunnel; skb->ip_summed = CHECKSUM_NONE; @@ -1411,12 +1405,10 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi, if (!(decoded.known && decoded.outer_ip)) return; - if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP && - decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV4) - ipv4 = true; - else if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP && - decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV6) - ipv6 = true; + ipv4 = (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP) && + (decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV4); + ipv6 = (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP) && + (decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV6); if (ipv4 && (rx_error & (BIT(I40E_RX_DESC_ERROR_IPE_SHIFT) | @@ -1447,6 +1439,11 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi, * inner checksum report CHECKSUM_UNNECESSARY. */ + ipv4_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT4_MAC_PAY3) && + (rx_ptype <= I40E_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4); + ipv6_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT6_MAC_PAY3) && + (rx_ptype <= I40E_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4); + skb->ip_summed = CHECKSUM_UNNECESSARY; skb->csum_level = ipv4_tunnel || ipv6_tunnel; diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c index 143c570..3f40e0e 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c @@ -861,13 +861,7 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi, u16 rx_ptype) { struct i40e_rx_ptype_decoded decoded = decode_rx_desc_ptype(rx_ptype); - bool ipv4 = false, ipv6 = false; - bool ipv4_tunnel, ipv6_tunnel; - - ipv4_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT4_MAC_PAY3) && - (rx_ptype <= I40E_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4); - ipv6_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT6_MAC_PAY3) && - (rx_ptype <= I40E_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4); + bool ipv4, ipv6, ipv4_tunnel, ipv6_tunnel; skb->ip_summed = CHECKSUM_NONE; @@ -883,12 +877,10 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi, if (!(decoded.known && decoded.outer_ip)) return; - if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP && - decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV4) - ipv4 = true; - else if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP && - decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV6) - ipv6 = true; + ipv4 = (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP) && + (decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV4); + ipv6 = (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP) && + (decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV6); if (ipv4 && (rx_error & (BIT(I40E_RX_DESC_ERROR_IPE_SHIFT) | @@ -919,6 +911,11 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi, * inner checksum report CHECKSUM_UNNECESSARY. */ + ipv4_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT4_MAC_PAY3) && + (rx_ptype <= I40E_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4); + ipv6_tunnel = (rx_ptype >= I40E_RX_PTYPE_GRENAT6_MAC_PAY3) && + (rx_ptype <= I40E_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4); + skb->ip_summed = CHECKSUM_UNNECESSARY; skb->csum_level = ipv4_tunnel || ipv6_tunnel;