good day!
i am new to linux kernel, and came across with
sk_buff. i have been reading about it for awhile now,
but there are some questions which were not answered
by any site that i came across:
(1) as what i have understood, sk_buff is just
equivalent to a packet that can be passed from one
layer/protocol to the other. how or in what way can it
be passed?
(2) the functionalities offered by sk_buff can be
categorized into: memory management; data
manipulation; list manipulation. what functions are
supposed to be invoked in order for the skb to be sent
or received?
(3) i know that i still have to read a lot, but where
can i find/read resources about the sending/receiving
of an sk_buff from one layer to another; one protocol
to another? the net/core/skbuff.c does not offer much
explanation on the above querries.
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