Lines Matching refs:p

95   /* q is the whole pbuf chain for a packet, p is the current pbuf in the chain */
96   struct pbuf *p, *q;
110  * @param p the pbuf chaing packet to send
115 slipif_output(struct netif *netif, struct pbuf *p, ip_addr_t *ipaddr)
124   LWIP_ASSERT("p != NULL", (p != NULL));
128   LWIP_DEBUGF(SLIP_DEBUG, ("slipif_output(%"U16_F"): sending %"U16_F" bytes\n", (u16_t)netif->num, p->tot_len));
135   for (q = p; q != NULL; q = q->next) {
193         priv->p = priv->q = NULL;
219   if (priv->p == NULL) {
222     priv->p = pbuf_alloc(PBUF_LINK, (PBUF_POOL_BUFSIZE - PBUF_LINK_HLEN), PBUF_POOL);
224     if (priv->p == NULL) {
233       pbuf_cat(priv->q, priv->p);
235       /* p is the first pbuf in the chain */
236       priv->q = priv->p;
241   if ((priv->p != NULL) && (priv->recved <= SLIP_MAX_SIZE)) {
242     ((u8_t *)priv->p->payload)[priv->i] = c;
245     if (priv->i >= priv->p->len) {
248       if (priv->p->next != NULL && priv->p->next->len > 0) {
249         /* p is a chain, on to the next in the chain */
250           priv->p = priv->p->next;
252         /* p is a single pbuf, set it to NULL so next time a new
254           priv->p = NULL;
269   struct pbuf *p;
270   p = slipif_rxbyte(netif, c);
271   if (p != NULL) {
272     if (netif->input(p, netif) != ERR_OK) {
273       pbuf_free(p);
352   priv->p = NULL;
414     struct pbuf *p = priv->rxpackets;
417     struct pbuf *q = p;
427     if (netif->input(p, netif) != ERR_OK) {
428       pbuf_free(p);
442   struct pbuf *p;
446   p = slipif_rxbyte(netif, data);
447   if (p != NULL) {
452       struct pbuf *q = p;
456       q->next = p;
463       priv->rxpackets = p;