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common/dpaax/caamflib: remove DPOVRD clear for SDAP

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For SDAP, we are not using the protocol operation to perform
4G/LTE operation so the DPOVRD option is not used.

Removing it save some space in the descriptor buffer and
execution time.

Signed-off-by: Franck Lenormand <franck.lenormand@nxp.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>
This commit is contained in:
Franck Lenormand 2021-09-08 12:29:49 +05:30 committed by Akhil Goyal
parent 7f9d9170f2
commit 8aa1a67c47
2 changed files with 9 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/common/dpaax/caamflib/desc/pdcp.h
View File

@ -2546,7 +2546,8 @@ static inline int
insert_hfn_ov_op(struct program *p,
uint32_t shift,
enum pdb_type_e pdb_type,
unsigned char era_2_sw_hfn_ovrd)
unsigned char era_2_sw_hfn_ovrd,
bool clear_dpovrd_at_end)
{
uint32_t imm = PDCP_DPOVRD_HFN_OV_EN;
uint16_t hfn_pdb_offset;
@ -2597,13 +2598,14 @@ insert_hfn_ov_op(struct program *p,
MATHB(p, MATH0, SHLD, MATH0, MATH0, 8, 0);
MOVE(p, MATH0, 0, DESCBUF, hfn_pdb_offset, 4, IMMED);
if (rta_sec_era >= RTA_SEC_ERA_8)
if (clear_dpovrd_at_end && (rta_sec_era >= RTA_SEC_ERA_8)) {
/*
* For ERA8, DPOVRD could be handled by the PROTOCOL command
* itself. For now, this is not done. Thus, clear DPOVRD here
* to alleviate any side-effects.
*/
MATHB(p, DPOVRD, AND, ZERO, DPOVRD, 4, STL);
}
SET_LABEL(p, keyjump);
PATCH_JUMP(p, pkeyjump, keyjump);
@ -2989,7 +2991,7 @@ cnstr_shdsc_pdcp_c_plane_encap(uint32_t *descbuf,
SET_LABEL(p, pdb_end);
err = insert_hfn_ov_op(p, sn_size, pdb_type,
era_2_sw_hfn_ovrd);
era_2_sw_hfn_ovrd, true);
if (err)
return err;
@ -3143,7 +3145,7 @@ cnstr_shdsc_pdcp_c_plane_decap(uint32_t *descbuf,
SET_LABEL(p, pdb_end);
err = insert_hfn_ov_op(p, sn_size, pdb_type,
era_2_sw_hfn_ovrd);
era_2_sw_hfn_ovrd, true);
if (err)
return err;
@ -3319,7 +3321,7 @@ cnstr_shdsc_pdcp_u_plane_encap(uint32_t *descbuf,
}
SET_LABEL(p, pdb_end);
err = insert_hfn_ov_op(p, sn_size, pdb_type, era_2_sw_hfn_ovrd);
err = insert_hfn_ov_op(p, sn_size, pdb_type, era_2_sw_hfn_ovrd, true);
if (err)
return err;
@ -3523,7 +3525,7 @@ cnstr_shdsc_pdcp_u_plane_decap(uint32_t *descbuf,
}
SET_LABEL(p, pdb_end);
err = insert_hfn_ov_op(p, sn_size, pdb_type, era_2_sw_hfn_ovrd);
err = insert_hfn_ov_op(p, sn_size, pdb_type, era_2_sw_hfn_ovrd, true);
if (err)
return err;

2
drivers/common/dpaax/caamflib/desc/sdap.h
View File

@ -990,7 +990,7 @@ cnstr_shdsc_pdcp_sdap_u_plane(uint32_t *descbuf,
SET_LABEL(p, pdb_end);
/* Inser the HFN override operation */
err = insert_hfn_ov_op(p, sn_size, pdb_type, era_2_sw_hfn_ovrd);
err = insert_hfn_ov_op(p, sn_size, pdb_type, era_2_sw_hfn_ovrd, false);
if (err)
return err;