· void skb_clone_fraglist(struct sk_buff *skb) · void skb_drop_fraglist(struct sk_buff *skb) · void copy_skb_header(struct sk_buff *new, const struct sk_buff *old) · pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask) · int skb_copy_bits(const...
·void skb_drop_fraglist(struct sk_buff *skb) ·void copy_skb_header(struct sk_buff *new, const struct sk_buff *old) ·pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask) ·int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len...
skb_frag_t frags[MAX_SKB_FRAGS]; }; The nr_frags member states howmany frags there are active in the frags[] array. The tso_size and tso_segs is used to convey information to the devicedriver for TCP segmentation offload. The frag_list is used to maintain a chain of SKBs organizedf...
skb_frag_t*frag = &skb_shinfo(skb)->frags[k]; // 这里把不需要拷贝到线性区的frags[k]拷贝到frags[i] *frag = skb_shinfo(skb)->frags[i]; if(eat) { // 为第i个frag修改偏移 // frag->bv_offset += eat; skb_frag_off_add(frag, eat); skb_frag_size_sub(frag, eat); if(!i) ...
skb_frag_t*nskb_frag; inthsize; intsize; len=skb->len-offset; len=head_skb->len-offset; if(len>mss) len=mss; hsize=skb_headlen(skb)-offset; hsize=skb_headlen(head_skb)-offset; if(hsize<0) hsize=0; if(hsize>len||!sg)
patchew/20240906-net-next-mptcp-ksft-subtest-time-v2-0-31d5ee4f3bdf@kernel.org patchew/20240902-net-next-mptcp-ksft-subtest-time-v1-0-f1ed499a11b1@kernel.org patchew/20240902-mptcp-fallback-x-mpc-v1-0-86d9170ddff7@kernel.org patchew/20240830-mptcp-pm-minor-fixes-v1-1-89737b847...
/* net/core/skbuff.c */structsk_buff*__netdev_alloc_skb(structnet_device*dev,unsignedintlen,gfp_tgfp_mask){structpage_frag_cache*nc;unsignedlongflags;structsk_buff*skb;bool pfmemalloc;void*data;/* * 数据长度对齐: * 没有特别定义 NET_SKB_PAD 时,是对齐到 cache 行。
24 skb_frag_t frags[MAX_SKB_FRAGS]; /*保存分页数据,skb->data_len = 所有数组数据长度之和*/ 25 }; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 非线性数据区有两种不同的构成数据的方式 ...
{ skb_frag_t *frag = &skb_shinfo(skb)->frags[k]; // 这里把不需要拷贝到线性区的frags[k]拷贝到frags[i] *frag = skb_shinfo(skb)->frags[i]; if (eat) { // 为第i个frag修改偏移 // frag->bv_offset += eat; skb_frag_off_add(frag, eat); skb_frag_size_sub(frag, eat); if...
Trying to disable(ethtool -K) offloads in VM didn't appear to help. Resolution Update to RHEL 7.6 -kernel-3.10.0-957viaRHSA-2018:3083or later. Workaround There is no workaround for this issue, however the message is harmless and can be ignored, no network traffic is lost. ...