diff options
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); |