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| author | Frank Blaschka <frank.blaschka@de.ibm.com> | 2007-10-05 16:45:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:54:40 -0700 |
| commit | 6570ebc4f57ad0761104f769576ae5652d9b8d64 (patch) | |
| tree | 47c933e7ac978754504a26cd82204fc5b31c8e96 | |
| parent | bc4b2b497aa61c79e3f3444237a4003a254ea565 (diff) | |
| download | linux-stable-6570ebc4f57ad0761104f769576ae5652d9b8d64.tar.gz linux-stable-6570ebc4f57ad0761104f769576ae5652d9b8d64.tar.bz2 linux-stable-6570ebc4f57ad0761104f769576ae5652d9b8d64.zip | |
qeth: EDDP does not work on large MTUs
Fix filling the qdio buffers in EDDP mode.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | drivers/s390/net/qeth_eddp.c | 16 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_main.c | 3 |
2 files changed, 11 insertions, 8 deletions
diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c index 70108fb16906..e3c268cfbffe 100644 --- a/drivers/s390/net/qeth_eddp.c +++ b/drivers/s390/net/qeth_eddp.c @@ -159,13 +159,15 @@ qeth_eddp_fill_buffer(struct qeth_qdio_out_q *queue, buffer = buf->buffer; /* fill one skb into buffer */ for (i = 0; i < ctx->elements_per_skb; ++i){ - buffer->element[buf->next_element_to_fill].addr = - ctx->elements[element].addr; - buffer->element[buf->next_element_to_fill].length = - ctx->elements[element].length; - buffer->element[buf->next_element_to_fill].flags = - ctx->elements[element].flags; - buf->next_element_to_fill++; + if (ctx->elements[element].length != 0) { + buffer->element[buf->next_element_to_fill]. + addr = ctx->elements[element].addr; + buffer->element[buf->next_element_to_fill]. + length = ctx->elements[element].length; + buffer->element[buf->next_element_to_fill]. + flags = ctx->elements[element].flags; + buf->next_element_to_fill++; + } element++; elements--; } diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index b41a53816e92..fe6164795eda 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -4508,7 +4508,8 @@ qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, /* check if we have enough elements (including following * free buffers) to handle eddp context */ if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){ - printk("eddp tx_dropped 1\n"); + if (net_ratelimit()) + PRINT_WARN("eddp tx_dropped 1\n"); rc = -EBUSY; goto out; } |