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ofpbuf: Introduce access api for base, data and size.

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These functions will be used by later patches.  Following patch
does not change functionality.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
This commit is contained in:
Pravin Shelar
2014-03-30 01:31:50 -07:00
committed by Pravin B Shelar
parent 6e2f6e708f
commit 1f317cb5c2
54 changed files with 728 additions and 673 deletions
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12
lib/learn.c
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@@ -255,7 +255,7 @@ learn_to_nxast(const struct ofpact_learn *learn, struct ofpbuf *openflow)
struct nx_action_learn *nal;
size_t start_ofs;
start_ofs = openflow->size;
start_ofs = ofpbuf_size(openflow);
nal = ofputil_put_NXAST_LEARN(openflow);
nal->idle_timeout = htons(learn->idle_timeout);
nal->hard_timeout = htons(learn->hard_timeout);
@@ -287,12 +287,12 @@ learn_to_nxast(const struct ofpact_learn *learn, struct ofpbuf *openflow)
}
}
if ((openflow->size - start_ofs) % 8) {
ofpbuf_put_zeros(openflow, 8 - (openflow->size - start_ofs) % 8);
if ((ofpbuf_size(openflow) - start_ofs) % 8) {
ofpbuf_put_zeros(openflow, 8 - (ofpbuf_size(openflow) - start_ofs) % 8);
}
nal = ofpbuf_at_assert(openflow, start_ofs, sizeof *nal);
nal->len = htons(openflow->size - start_ofs);
nal->len = htons(ofpbuf_size(openflow) - start_ofs);
}
/* Composes 'fm' so that executing it will implement 'learn' given that the
@@ -382,8 +382,8 @@ learn_execute(const struct ofpact_learn *learn, const struct flow *flow,
}
ofpact_pad(ofpacts);
fm->ofpacts = ofpacts->data;
fm->ofpacts_len = ofpacts->size;
fm->ofpacts = ofpbuf_data(ofpacts);
fm->ofpacts_len = ofpbuf_size(ofpacts);
}
/* Perform a bitwise-OR on 'wc''s fields that are relevant as sources in