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https://youtu.be/qXcBgRc7Gqo You can check fragmented packets as suggested in the video by tapping RX path in net/core/dev.c - __netif_receive_skb_core() API as shown below from the Kernel-source version 6.5.9: static int…
https://youtu.be/qFNE8JXp8f0 Refer:Linux Kernel Map picture/banner ↗Socket Buffer Functions ↗
https://youtu.be/GlfwYizE9nM Refer:skb_clone() - duplicate an sk_buff ↗skb_copy() - create private copy of an sk_buff ↗ Here is the copy paste of skb_clone() and skb_copy() APIs (/net/core/skbuff.c) from the Kernel-source version…
https://youtu.be/-grEPfeDO2o Refer:skb_headroom() - bytes at buffer head ↗skb_tailroom() - bytes at buffer end ↗ Here is the copy paste of skb_headroom() and skb_tailroom() APIs (/include/linux/skbuff.h) from the Kernel-source version 6.5.8…
https://youtu.be/rc3Rycs1o94 Refer:skb_put() - add data to a buffer ↗ Here is the copy paste of skb_put() API (/net/core/skbuff.c) from the Kernel-source version 6.5.8 for quick reference: /** * skb_put -…
https://youtu.be/bgHZmv3G1qQ Refer:skb_pull() - remove data from the start of a buffer ↗ Here is the copy paste of skb_pull() API (/net/core/skbuff.c) from the Kernel-source version 6.5.8 for quick reference: /**…
https://youtu.be/SgE0bOdNMTg Refer:skb_trim() - remove end from a buffer ↗ And here is the copy paste of skb_trim() API (/net/core/skbuff.c) from the Kernel-source version 6.5.8 for quick reference: /** * skb_trim…
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