udp_csum_pull_header

Name:udp_csum_pull_header

Proto:static inline void udp_csum_pull_header(struct sk_buff *skb)

Type:void

Parameter:

Type	Parameter	Name
struct sk_buff *	skb

159

If Not csum_valid && ip_summed == Device failed to checksum this packet e.g. due to lack of capabilities Then csum = mputes the checksum of a memory block at buff, length len,* and adds in "sum" (32-bit)* returns a 32-bit number suitable for feeding into itself* or csum_tcpudp_magic* this function must be called with even lengths, except* for the last fragment, which

162

skb_pull_rcsum(skb, sizeof(structudphdr))

163

cscov -= sizeof(structudphdr)

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