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author | Luca Boccassi <luca.boccassi@gmail.com> | 2018-11-01 11:59:50 +0000 |
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committer | Luca Boccassi <luca.boccassi@gmail.com> | 2018-11-01 12:00:19 +0000 |
commit | 8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82 (patch) | |
tree | 208e3bc33c220854d89d010e3abf720a2e62e546 /drivers/net/sfc/sfc_tso.h | |
parent | b63264c8342e6a1b6971c79550d2af2024b6a4de (diff) |
New upstream version 18.11-rc1upstream/18.11-rc1
Change-Id: Iaa71986dd6332e878d8f4bf493101b2bbc6313bb
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/net/sfc/sfc_tso.h')
-rw-r--r-- | drivers/net/sfc/sfc_tso.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/sfc/sfc_tso.h b/drivers/net/sfc/sfc_tso.h new file mode 100644 index 00000000..3d2faf54 --- /dev/null +++ b/drivers/net/sfc/sfc_tso.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2018 Solarflare Communications Inc. + * All rights reserved. + * + * This software was jointly developed between OKTET Labs (under contract + * for Solarflare) and Solarflare Communications, Inc. + */ + +/** Standard TSO header length */ +#define SFC_TSOH_STD_LEN 256 + +/** The number of TSO option descriptors that precede the packet descriptors */ +#define SFC_TSO_OPT_DESCS_NUM 2 + +/** + * The number of DMA descriptors for TSO header that may or may not precede the + * packet's payload descriptors + */ +#define SFC_TSO_HDR_DESCS_NUM 1 + +unsigned int sfc_tso_prepare_header(uint8_t *tsoh, size_t header_len, + struct rte_mbuf **in_seg, size_t *in_off); |