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Networking: Remove driver based backlog support. This affects the entire network, but is used by only one driver. The only supported with of supported RX backlog is via common read-ahead buffering.

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This commit is contained in:
Gregory Nutt
2017-08-21 06:27:29 -06:00
parent 17cd0696cb
commit 969d7c5814
10 changed files with 5 additions and 353 deletions
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net/pkt/pkt_recvfrom.c
-28
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@@ -323,28 +323,6 @@ static ssize_t pkt_recvfrom_result(int result, struct pkt_recvfrom_s *pstate)
return pstate->pr_recvlen;
}
/****************************************************************************
* Name: pkt_recvfrom_rxnotify
*
* Description:
* Notify the appropriate device driver that we are ready to receive a
* packet (PKT)
*
* Parameters:
* conn - The PKT connection structure
*
* Returned Value:
* None
*
****************************************************************************/
#if 0 /* Not implemented */
static void pkt_recvfrom_rxnotify(FAR struct pkt_conn_s *conn)
{
# warning Missing logic
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
@@ -447,12 +425,6 @@ ssize_t pkt_recvfrom(FAR struct socket *psock, FAR void *buf, size_t len,
state.pr_cb->priv = (FAR void *)&state;
state.pr_cb->event = pkt_recvfrom_interrupt;
/* Notify the device driver of the receive call */
#if 0 /* Not implemented */
pkt_recvfrom_rxnotify(conn);
#endif
/* Wait for either the receive to complete or for an error/timeout to
* occur. NOTES: (1) net_lockedwait will also terminate if a signal
* is received, (2) the network is locked! It will be un-locked while