From: Sara Sharon Date: Wed, 8 Jun 2016 12:15:41 +0000 (+0300) Subject: iwlwifi: mvm: checksum IPv6 fragmented packet X-Git-Tag: v4.8-rc1~140^2~121^2~40^2~26 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=ecf51424152bad1b2727409f42ddf1bd86f44b7d;p=linux.git iwlwifi: mvm: checksum IPv6 fragmented packet Our HW does not support checksum of fragmented packets. Fix code accordingly to checksum those packets in the driver. Signed-off-by: Sara Sharon Fixes: 5e6a98dc4863 ("iwlwifi: mvm: enable TCP/UDP checksum support for 9000 family") Signed-off-by: Luca Coelho --- diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 2373142b0f43..f3a6e95cedec 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -138,28 +138,19 @@ static void iwl_mvm_tx_csum(struct iwl_mvm *mvm, struct sk_buff *skb, protocol = ipv6h->nexthdr; while (protocol != NEXTHDR_NONE && ipv6_ext_hdr(protocol)) { + struct ipv6_opt_hdr *hp; + /* only supported extension headers */ if (protocol != NEXTHDR_ROUTING && protocol != NEXTHDR_HOP && - protocol != NEXTHDR_DEST && - protocol != NEXTHDR_FRAGMENT) { + protocol != NEXTHDR_DEST) { skb_checksum_help(skb); return; } - if (protocol == NEXTHDR_FRAGMENT) { - struct frag_hdr *hp = - OPT_HDR(struct frag_hdr, skb, off); - - protocol = hp->nexthdr; - off += sizeof(struct frag_hdr); - } else { - struct ipv6_opt_hdr *hp = - OPT_HDR(struct ipv6_opt_hdr, skb, off); - - protocol = hp->nexthdr; - off += ipv6_optlen(hp); - } + hp = OPT_HDR(struct ipv6_opt_hdr, skb, off); + protocol = hp->nexthdr; + off += ipv6_optlen(hp); } /* if we get here - protocol now should be TCP/UDP */ #endif