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Phonet: zero-copy GPRS TX

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Send aligned pipe payload if requested to do so. Then, the socket buffer
needs not be fragmented anymore.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rémi Denis-Courmont
2010-01-04 02:02:48 +00:00
committed by David S. Miller
parent fc6a110754
commit fea93ecef6
2 changed files with 16 additions and 2 deletions
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include/net/phonet/pep.h
+2
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@@ -44,6 +44,7 @@ struct pep_sock {
u8 rx_fc; /* RX flow control */
u8 tx_fc; /* TX flow control */
u8 init_enable; /* auto-enable at creation */
u8 aligned;
};
static inline struct pep_sock *pep_sk(struct sock *sk)
@@ -139,6 +140,7 @@ enum {
PN_PIPE_SB_NEGOTIATED_FC,
PN_PIPE_SB_REQUIRED_FC_TX,
PN_PIPE_SB_PREFERRED_FC_RX,
PN_PIPE_SB_ALIGNED_DATA,
};
/* Phonet pipe flow control models */