diff options
Diffstat (limited to 'drivers/s390/net/qeth_main.c')
| -rw-r--r-- | drivers/s390/net/qeth_main.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 79c74f3a11f5..6f784c3f43d5 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -1,6 +1,6 @@ /* * - * linux/drivers/s390/net/qeth_main.c ($Revision: 1.214 $) + * linux/drivers/s390/net/qeth_main.c ($Revision: 1.219 $) * * Linux on zSeries OSA Express and HiperSockets support * @@ -12,7 +12,7 @@ * Frank Pavlic (pavlic@de.ibm.com) and * Thomas Spatzier <tspat@de.ibm.com> * - * $Revision: 1.214 $ $Date: 2005/05/04 20:19:18 $ + * $Revision: 1.219 $ $Date: 2005/05/04 20:19:18 $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -80,7 +80,7 @@ qeth_eyecatcher(void) #include "qeth_eddp.h" #include "qeth_tso.h" -#define VERSION_QETH_C "$Revision: 1.214 $" +#define VERSION_QETH_C "$Revision: 1.219 $" static const char *version = "qeth S/390 OSA-Express driver"; /** @@ -3795,12 +3795,16 @@ static inline int qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb, struct qeth_hdr **hdr, int ipv) { + int rc; #ifdef CONFIG_QETH_VLAN u16 *tag; #endif QETH_DBF_TEXT(trace, 6, "prepskb"); + rc = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr)); + if (rc) + return rc; #ifdef CONFIG_QETH_VLAN if (card->vlangrp && vlan_tx_tag_present(*skb) && ((ipv == 6) || card->options.layer2) ) { @@ -4251,7 +4255,8 @@ out: } static inline int -qeth_get_elements_no(struct qeth_card *card, void *hdr, struct sk_buff *skb) +qeth_get_elements_no(struct qeth_card *card, void *hdr, + struct sk_buff *skb, int elems) { int elements_needed = 0; @@ -4261,9 +4266,10 @@ qeth_get_elements_no(struct qeth_card *card, void *hdr, struct sk_buff *skb) if (elements_needed == 0 ) elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE) + skb->len) >> PAGE_SHIFT); - if (elements_needed > QETH_MAX_BUFFER_ELEMENTS(card)){ + if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){ PRINT_ERR("qeth_do_send_packet: invalid size of " - "IP packet. Discarded."); + "IP packet (Number=%d / Length=%d). Discarded.\n", + (elements_needed+elems), skb->len); return 0; } return elements_needed; @@ -4337,9 +4343,11 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb) return -EINVAL; } } else { - elements_needed += qeth_get_elements_no(card,(void*) hdr, skb); - if (!elements_needed) + int elems = qeth_get_elements_no(card,(void*) hdr, skb, + elements_needed); + if (!elems) return -EINVAL; + elements_needed += elems; } if (card->info.type != QETH_CARD_TYPE_IQD) @@ -7038,14 +7046,16 @@ qeth_setrouting_v6(struct qeth_card *card) } int -qeth_set_large_send(struct qeth_card *card) +qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type) { int rc = 0; - if (card->dev == NULL) + if (card->dev == NULL) { + card->options.large_send = type; return 0; - + } netif_stop_queue(card->dev); + card->options.large_send = type; switch (card->options.large_send) { case QETH_LARGE_SEND_EDDP: card->dev->features |= NETIF_F_TSO | NETIF_F_SG; @@ -7066,7 +7076,6 @@ qeth_set_large_send(struct qeth_card *card) card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); break; } - netif_wake_queue(card->dev); return rc; } |