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Code Issues Releases Wiki Activity

add the support of LWIP_TCPIP_CORE_LOCKING_INPUT

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- LWIP_TCPIP_CORE_LOCKING_INPUT promise a better performance because it
  reduce the number of context switches between LWIP and main thread
- enable this feature in lwipopts.h
This commit is contained in:
Stefan Lankes 2016-02-20 12:06:05 +01:00
parent 3f5e31f070
commit 8dcd5411fc
3 changed files with 15 additions and 4 deletions
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7
hermit/drivers/net/mmnif.c
View file

@ -849,11 +849,16 @@ static void mmnif_irqhandler(struct state* s)
mmnif = (mmnif_t *) mmnif_dev->state;
if (!mmnif->check_in_progress) {
#if LWIP_TCPIP_CORE_LOCKING_INPUT
mmnif->check_in_progress = 1;
mmnif_rx(mmnif_dev);
#else
if (tcpip_callback_with_block((tcpip_callback_fn) mmnif_rx, (void*) mmnif_dev, 0) == ERR_OK) {
mmnif->check_in_progress = 1;
} else {
DEBUGPRINTF("rckemacif_handler: unable to send a poll request to the tcpip thread\n");
DEBUGPRINTF("mmnif_handler: unable to send a poll request to the tcpip thread\n");
}
#endif
}
}

10
hermit/kernel/main.c
View file

@ -172,10 +172,16 @@ static int init_netifs(void)
* - gw : the gateway wicht should be used
* - mmnif_init : the initialization which has to be done in order to use our interface
* - ip_input : tells him that he should use ip_input
*
*/
#if LWIP_TCPIP_CORE_LOCKING_INPUT
if ((err = netifapi_netif_add(&mmnif_netif, &ipaddr, &netmask, &gw, NULL, mmnif_init, tcpip_input)) != ERR_OK)
#else
/*
* Note: Our drivers guarantee that the input function will be called in the context of the tcpip thread.
* => Therefore, we are able to use ip_input instead of tcpip_input */
* => Therefore, we are able to use ip_input instead of tcpip_input
*/
if ((err = netifapi_netif_add(&mmnif_netif, &ipaddr, &netmask, &gw, NULL, mmnif_init, ip_input)) != ERR_OK)
#endif
{
kprintf("Unable to add the intra network interface: err = %d\n", err);
return -ENODEV;

2
hermit/lwip

@ -1 +1 @@
Subproject commit 3a11d42097b7008ffd1b3ceac1e414dcc74a2228
Subproject commit 12edcefed1a4e30a91ff969b5aa4630b2f7c7651