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staging: octeon: fix line over 80 characters

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ethernet-rx.c:

fix WARNING: line over 80 characters

The code was restructured a bit, a helper function
was added to cvm_oct_poll.

Signed-off-by: John Smith <catalinnow@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John Smith 2017-08-01 10:51:12 +03:00 committed by Greg Kroah-Hartman
parent f85ac230d7
commit 33ebca0d05
1 changed files with 41 additions and 38 deletions
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79
drivers/staging/octeon/ethernet-rx.c
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@ -149,6 +149,46 @@ static inline int cvm_oct_check_rcv_error(cvmx_wqe_t *work)
return 0;
}
static void copy_segments_to_skb(cvmx_wqe_t *work, struct sk_buff *skb)
{
int segments = work->word2.s.bufs;
union cvmx_buf_ptr segment_ptr = work->packet_ptr;
int len = work->word1.len;
int segment_size;
while (segments--) {
union cvmx_buf_ptr next_ptr;
next_ptr = *(union cvmx_buf_ptr *)
cvmx_phys_to_ptr(segment_ptr.s.addr - 8);
/*
* Octeon Errata PKI-100: The segment size is wrong.
*
* Until it is fixed, calculate the segment size based on
* the packet pool buffer size.
* When it is fixed, the following line should be replaced
* with this one:
* int segment_size = segment_ptr.s.size;
*/
segment_size =
CVMX_FPA_PACKET_POOL_SIZE -
(segment_ptr.s.addr -
(((segment_ptr.s.addr >> 7) -
segment_ptr.s.back) << 7));
/* Don't copy more than what is left in the packet */
if (segment_size > len)
segment_size = len;
/* Copy the data into the packet */
skb_put_data(skb, cvmx_phys_to_ptr(segment_ptr.s.addr),
segment_size);
len -= segment_size;
segment_ptr = next_ptr;
}
}
static int cvm_oct_poll(struct oct_rx_group *rx_group, int budget)
{
const int coreid = cvmx_get_core_num();
@ -290,44 +330,7 @@ static int cvm_oct_poll(struct oct_rx_group *rx_group, int budget)
skb_put_data(skb, ptr, work->word1.len);
/* No packet buffers to free */
} else {
int segments = work->word2.s.bufs;
union cvmx_buf_ptr segment_ptr =
work->packet_ptr;
int len = work->word1.len;
while (segments--) {
union cvmx_buf_ptr next_ptr =
*(union cvmx_buf_ptr *)
cvmx_phys_to_ptr(
segment_ptr.s.addr - 8);
/*
* Octeon Errata PKI-100: The segment size is
* wrong. Until it is fixed, calculate the
* segment size based on the packet pool
* buffer size. When it is fixed, the
* following line should be replaced with this
* one: int segment_size =
* segment_ptr.s.size;
*/
int segment_size =
CVMX_FPA_PACKET_POOL_SIZE -
(segment_ptr.s.addr -
(((segment_ptr.s.addr >> 7) -
segment_ptr.s.back) << 7));
/*
* Don't copy more than what
* is left in the packet.
*/
if (segment_size > len)
segment_size = len;
/* Copy the data into the packet */
skb_put_data(skb,
cvmx_phys_to_ptr(segment_ptr.s.addr),
segment_size);
len -= segment_size;
segment_ptr = next_ptr;
}
copy_segments_to_skb(work, skb);
}
packet_not_copied = 0;
}