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arbel_post_send() has been observed to transmit a packet!

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This commit is contained in:
Michael Brown
2007-09-15 02:53:05 +01:00
parent 8b27da9de1
commit 970951666f
3 changed files with 56 additions and 23 deletions
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12
src/drivers/net/mlx_ipoib/ib_mt25218.c
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@@ -1122,9 +1122,14 @@ static int post_send_req(void *qph, void *wqeh, __u8 num_gather)
struct send_doorbell_st dbell;
__u32 nds;
DBG ( "Work queue entry:\n" );
DBG_HD ( snd_wqe, sizeof ( *snd_wqe ) );
qp->post_send_counter++;
WRITE_WORD_VOL(qp->send_uar_context, 2, htons(qp->post_send_counter));
DBG ( "Doorbell record:\n" );
DBG_HD ( qp->send_uar_context, 8 );
memset(&dbell, 0, sizeof dbell);
INS_FLD(XDEV_NOPCODE_SEND, &dbell, arbelprm_send_doorbell_st, nopcode);
@@ -1148,6 +1153,10 @@ static int post_send_req(void *qph, void *wqeh, __u8 num_gather)
INS_FLD_TO_BE(XDEV_NOPCODE_SEND,
&qp->last_posted_snd_wqe->next.next,
arbelprm_wqe_segment_next_st, nopcode);
DBG ( "Previous work queue entry's next field:\n" );
DBG_HD ( &qp->last_posted_snd_wqe->next.next,
sizeof ( qp->last_posted_snd_wqe->next.next ) );
}
rc = cmd_post_doorbell(&dbell, POST_SND_OFFSET);
@@ -1965,6 +1974,9 @@ static void dev_post_dbell(void *dbell, __u32 offset)
address = (unsigned long)(memfree_pci_dev.uar) + offset;
tprintf("va=0x%lx pa=0x%lx", address,
virt_to_bus((const void *)address));
DBG ( "dev_post_dbell %08lx:%08lx to %lx\n",
htonl ( ptr[0] ), htonl ( ptr[1] ),
virt_to_phys ( memfree_pci_dev.uar + offset ) );
writel(htonl(ptr[0]), memfree_pci_dev.uar + offset);
barrier();
address += 4;